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Vulnerability Details :

CVE-2026-41091

Summary
Assigner-microsoft
Assigner Org ID-f38d906d-7342-40ea-92c1-6c4a2c6478c8
Published At-20 May, 2026 | 13:09
Updated At-22 May, 2026 | 22:03
Rejected At-
Credits

Microsoft Defender Link Following Vulnerability

Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges locally.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Known Exploited Vulnerabilities (KEV)
cisa.gov
Vendor:
Microsoft CorporationMicrosoft
Product:Defender
Added At:20 May, 2026
Due At:03 Jun, 2026

Microsoft Defender Link Following Vulnerability

Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges locally.

Used in Ransomware

:

Unknown

CWE

:
CWE-59

Required Action:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes:

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-41091 ; https://nvd.nist.gov/vuln/detail/CVE-2026-41091
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:microsoft
Assigner Org ID:f38d906d-7342-40ea-92c1-6c4a2c6478c8
Published At:20 May, 2026 | 13:09
Updated At:22 May, 2026 | 22:03
Rejected At:
â–¼CVE Numbering Authority (CNA)
Microsoft Defender Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.

Affected Products
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Malware Protection Engine
Versions
Affected
  • -
Problem Types
TypeCWE IDDescription
CWECWE-59CWE-59: Improper Link Resolution Before File Access ('Link Following')
Type: CWE
CWE ID: CWE-59
Description: CWE-59: Improper Link Resolution Before File Access ('Link Following')
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091
vendor-advisory
patch
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091
Resource:
vendor-advisory
patch
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
kev
dateAdded:
2026-05-20
reference:
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41091
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
CVE-2026-41091 added to CISA KEV2026-05-20 00:00:00
Event: CVE-2026-41091 added to CISA KEV
Date: 2026-05-20 00:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41091
government-resource
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41091
Resource:
government-resource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secure@microsoft.com
Published At:20 May, 2026 | 13:16
Updated At:20 May, 2026 | 19:06

Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2026-05-202026-06-03Microsoft Defender Link Following VulnerabilityApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Date Added: 2026-05-20
Due Date: 2026-06-03
Vulnerability Name: Microsoft Defender Link Following Vulnerability
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Microsoft Corporation
microsoft
>>malware_protection_engine>>Versions from 1.1.26030.3008(inclusive) to 1.1.26040.8(exclusive)
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-59Secondarysecure@microsoft.com
CWE ID: CWE-59
Type: Secondary
Source: secure@microsoft.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091secure@microsoft.com
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41091134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
Third Party Advisory
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091
Source: secure@microsoft.com
Resource:
Vendor Advisory
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41091
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
US Government Resource
Third Party Advisory

Change History

0
Information is not available yet

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EPSS-0.62% / 70.42%
||
7 Day CHG~0.00%
Published-14 Jul, 2021 | 17:53
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Storage Spaces Controller Elevation of Privilege Vulnerability

Storage Spaces Controller Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows 10 Version 1607Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows Server 2016Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CWE ID-CWE-269
Improper Privilege Management
CVE-2023-23419
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.58% / 69.09%
||
7 Day CHG~0.00%
Published-14 Mar, 2023 | 16:55
Updated-01 Jan, 2025 | 00:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_22h2Windows 11 version 22H2
CWE ID-CWE-20
Improper Input Validation
CVE-2025-32713
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.94% / 76.47%
||
7 Day CHG~0.00%
Published-10 Jun, 2025 | 17:02
Updated-26 Feb, 2026 | 17:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Common Log File System Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1507windows_server_2022_23h2windows_10_1607windows_10_21h2windows_server_2008windows_server_2012windows_server_2019windows_11_23h2windows_server_2022windows_11_24h2windows_10_1809windows_server_2025windows_server_2016windows_11_22h2windows_10_22h2Windows Server 2019 (Server Core installation)Windows 10 Version 21H2Windows 10 Version 22H2Windows 11 Version 23H2Windows Server 2012Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2008 Service Pack 2Windows Server 2008 R2 Service Pack 1Windows Server 2012 R2Windows Server 2025 (Server Core installation)Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2016Windows Server 2012 R2 (Server Core installation)Windows 11 version 22H2Windows 11 version 22H3Windows Server 2019Windows 10 Version 1607Windows Server 2022Windows 10 Version 1507Windows Server 2012 (Server Core installation)Windows Server 2025Windows Server 2016 (Server Core installation)Windows 11 Version 24H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows 10 Version 1809
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2021-33761
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.27% / 50.92%
||
7 Day CHG~0.00%
Published-14 Jul, 2021 | 17:53
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2012windows_8.1windows_rt_8.1windows_10windows_server_2019Windows 10 Version 1607Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows 8.1Windows Server version 20H2Windows 10 Version 1909Windows Server 2016Windows 10 Version 20H2Windows 10 Version 2004Windows 10 Version 1507Windows Server 2012 R2Windows Server 2019Windows Server 2012 R2 (Server Core installation)
CVE-2020-8763
Matching Score-8
Assigner-Intel Corporation
ShareView Details
Matching Score-8
Assigner-Intel Corporation
CVSS Score-7.8||HIGH
EPSS-0.04% / 11.31%
||
7 Day CHG~0.00%
Published-13 Aug, 2020 | 02:14
Updated-04 Aug, 2024 | 10:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Improper permissions in the installer for the Intel(R) RealSense(TM) D400 Series UWP driver for Windows* 10 may allow an authenticated user to potentially enable escalation of privilege via local access.

Action-Not Available
Vendor-n/aMicrosoft CorporationIntel Corporation
Product-realsense_d435_firmwarerealsense_d415_firmwarerealsense_d435i_firmwarewindows_10Intel(R) RealSense(TM) D400 Series Advisory
CWE ID-CWE-276
Incorrect Default Permissions
CVE-2025-32714
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.81% / 74.44%
||
7 Day CHG~0.00%
Published-10 Jun, 2025 | 17:02
Updated-20 Feb, 2026 | 16:00
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Installer Elevation of Privilege Vulnerability

Improper access control in Windows Installer allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1507windows_server_2022_23h2windows_10_1607windows_10_21h2windows_server_2008windows_server_2012windows_server_2019windows_11_23h2windows_server_2022windows_11_24h2windows_10_1809windows_server_2025windows_server_2016windows_11_22h2windows_10_22h2Windows Server 2025Windows Server 2008 R2 Service Pack 1Windows 11 Version 23H2Windows Server 2012 (Server Core installation)Windows 10 Version 1809Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H3Windows Server 2016 (Server Core installation)Windows 10 Version 22H2Windows Server 2019Windows Server 2022Windows 10 Version 1607Windows 11 Version 24H2Windows Server 2025 (Server Core installation)Windows Server 2019 (Server Core installation)Windows Server 2016Windows 11 version 22H2Windows Server 2012 R2Windows 10 Version 1507Windows 10 Version 21H2Windows Server 2008 Service Pack 2Windows Server 2012Windows Server 2012 R2 (Server Core installation)
CWE ID-CWE-284
Improper Access Control
CVE-2025-32712
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.94% / 76.47%
||
7 Day CHG~0.00%
Published-10 Jun, 2025 | 17:02
Updated-26 Feb, 2026 | 17:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Win32k Elevation of Privilege Vulnerability

Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1507windows_server_2022_23h2windows_10_1607windows_10_21h2windows_server_2008windows_server_2012windows_server_2019windows_11_23h2windows_server_2022windows_11_24h2windows_10_1809windows_server_2025windows_server_2016windows_11_22h2windows_10_22h2Windows Server 2019 (Server Core installation)Windows 10 Version 21H2Windows 10 Version 22H2Windows 11 Version 23H2Windows Server 2012Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2008 Service Pack 2Windows Server 2008 R2 Service Pack 1Windows Server 2012 R2Windows Server 2025 (Server Core installation)Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2016Windows Server 2012 R2 (Server Core installation)Windows 11 version 22H2Windows 11 version 22H3Windows Server 2019Windows 10 Version 1607Windows Server 2022Windows 10 Version 1507Windows Server 2012 (Server Core installation)Windows Server 2025Windows Server 2016 (Server Core installation)Windows 11 Version 24H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows 10 Version 1809
CWE ID-CWE-416
Use After Free
CVE-2021-33762
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7||HIGH
EPSS-0.23% / 45.45%
||
7 Day CHG~0.00%
Published-12 Aug, 2021 | 18:11
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Azure CycleCloud Elevation of Privilege Vulnerability

Azure CycleCloud Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-azure_cyclecloudAzure CycleCloud 7.9.10Azure CycleCloud 8.2.0
CVE-2025-32704
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-8.4||HIGH
EPSS-0.69% / 72.07%
||
7 Day CHG~0.00%
Published-13 May, 2025 | 16:59
Updated-26 Feb, 2026 | 18:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Microsoft Excel Remote Code Execution Vulnerability

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-excelofficeoffice_long_term_servicing_channel365_appsMicrosoft Excel 2016Microsoft 365 Apps for EnterpriseMicrosoft Office 2019Microsoft Office LTSC 2024Microsoft Office LTSC 2021
CWE ID-CWE-126
Buffer Over-read
CWE ID-CWE-125
Out-of-bounds Read
CVE-2021-33743
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.21% / 43.73%
||
7 Day CHG~0.00%
Published-14 Jul, 2021 | 17:53
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Projected File System Elevation of Privilege Vulnerability

Windows Projected File System Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CVE-2025-32709
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.76% / 73.56%
||
7 Day CHG~0.00%
Published-13 May, 2025 | 16:58
Updated-26 Feb, 2026 | 18:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2025-06-03||Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_server_2016windows_10_1507windows_10_22h2windows_server_2012windows_server_2008windows_11_24h2windows_11_23h2windows_10_1809windows_server_2022windows_server_2025windows_11_22h2windows_server_2022_23h2windows_10_1607windows_server_2019Windows Server 2019 (Server Core installation)Windows 10 Version 21H2Windows 10 Version 22H2Windows 11 Version 23H2Windows Server 2012Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2008 Service Pack 2Windows Server 2008 R2 Service Pack 1Windows Server 2012 R2Windows Server 2025 (Server Core installation)Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2016Windows Server 2012 R2 (Server Core installation)Windows 11 version 22H2Windows 11 version 22H3Windows Server 2019Windows 10 Version 1607Windows Server 2022Windows 10 Version 1507Windows Server 2012 (Server Core installation)Windows Server 2025Windows Server 2016 (Server Core installation)Windows 11 Version 24H2Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows 10 Version 1809Windows
CWE ID-CWE-416
Use After Free
CVE-2021-33759
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.27% / 50.92%
||
7 Day CHG~0.00%
Published-14 Jul, 2021 | 17:53
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Desktop Bridge Elevation of Privilege Vulnerability

Windows Desktop Bridge Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows 10 Version 1607Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows Server 2016Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CVE-2021-33773
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.24% / 47.54%
||
7 Day CHG~0.00%
Published-14 Jul, 2021 | 17:53
Updated-19 Nov, 2024 | 14:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2012windows_8.1windows_rt_8.1windows_10windows_server_2019Windows 10 Version 1607Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows 8.1Windows Server version 20H2Windows 10 Version 1909Windows Server 2016Windows 10 Version 20H2Windows 10 Version 2004Windows 10 Version 1507Windows Server 2012 R2Windows Server 2019Windows Server 2012 R2 (Server Core installation)
CVE-2021-33784
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.27% / 50.92%
||
7 Day CHG~0.00%
Published-14 Jul, 2021 | 17:53
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CVE-2021-33774
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7||HIGH
EPSS-0.23% / 45.99%
||
7 Day CHG~0.00%
Published-14 Jul, 2021 | 17:53
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Event Tracing Elevation of Privilege Vulnerability

Windows Event Tracing Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CVE-2021-33771
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-6.52% / 91.23%
||
7 Day CHG-0.30%
Published-14 Jul, 2021 | 17:53
Updated-29 Oct, 2025 | 16:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2021-11-17||Apply updates per vendor instructions.
Windows Kernel Elevation of Privilege Vulnerability

Windows Kernel Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1507windows_10_1909windows_server_2012windows_server_20h2windows_server_2008windows_10_21h1windows_server_2004windows_rt_8.1windows_10_1607windows_10_1809windows_server_2019windows_10_2004windows_8.1windows_10_20h2windows_server_2016Windows 10 Version 2004Windows Server 2016 (Server Core installation)Windows 8.1Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1909Windows Server 2019Windows 10 Version 1507Windows 10 Version 1607Windows Server 2012 R2Windows 10 Version 1809Windows Server 2012 R2 (Server Core installation)Windows 10 Version 20H2Windows Server 2016Windows Server version 20H2Windows Server version 2004Windows
CVE-2021-3146
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.05% / 14.93%
||
7 Day CHG~0.00%
Published-08 Apr, 2021 | 19:46
Updated-03 Aug, 2024 | 16:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Dolby Audio X2 (DAX2) API service before 0.8.8.90 on Windows allows local users to gain privileges.

Action-Not Available
Vendor-dolbyn/aMicrosoft Corporation
Product-visual_c\+\+audio_x2visual_studiovisual_studio_.netexchange_servern/a
CWE ID-CWE-426
Untrusted Search Path
CVE-2021-31951
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.70% / 72.22%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 22:46
Updated-03 Aug, 2024 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Kernel Elevation of Privilege Vulnerability

Windows Kernel Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CVE-2021-32460
Matching Score-8
Assigner-Trend Micro, Inc.
ShareView Details
Matching Score-8
Assigner-Trend Micro, Inc.
CVSS Score-7.8||HIGH
EPSS-0.06% / 19.07%
||
7 Day CHG~0.00%
Published-03 Jun, 2021 | 10:32
Updated-03 Aug, 2024 | 23:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Trend Micro Maximum Security 2021 (v17) consumer product is vulnerable to an improper access control vulnerability in the installer which could allow a local attacker to escalate privileges on a target machine. Please note than an attacker must already have local user privileges and access on the machine to exploit this vulnerability.

Action-Not Available
Vendor-Microsoft CorporationTrend Micro Incorporated
Product-windowsmaximum_security_2021Trend Micro Maxmium Security (Consumer)
CWE ID-CWE-732
Incorrect Permission Assignment for Critical Resource
CVE-2021-31979
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-7.03% / 91.59%
||
7 Day CHG-0.33%
Published-14 Jul, 2021 | 17:53
Updated-29 Oct, 2025 | 16:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2021-11-17||Apply updates per vendor instructions.
Windows Kernel Elevation of Privilege Vulnerability

Windows Kernel Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_7windows_server_2012windows_10_1809windows_rt_8.1windows_10_2004windows_8.1windows_10_1507windows_10_1909windows_server_2008windows_10_21h1windows_server_2004windows_10_1607windows_server_20h2windows_server_2019windows_10_20h2windows_server_2016Windows 10 Version 2004Windows Server 2016 (Server Core installation)Windows Server 2012Windows 8.1Windows Server 2008 Service Pack 2Windows Server 2019 (Server Core installation)Windows 7Windows 10 Version 21H1Windows Server 2008 Service Pack 2 (Server Core installation)Windows 10 Version 1909Windows Server 2012 (Server Core installation)Windows Server 2019Windows 10 Version 1507Windows 10 Version 1607Windows Server 2008 Service Pack 2Windows 7 Service Pack 1Windows Server 2012 R2Windows 10 Version 1809Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2012 R2 (Server Core installation)Windows 10 Version 20H2Windows Server 2008 R2 Service Pack 1Windows Server 2016Windows Server version 20H2Windows Server version 2004Windows
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2023-26077
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.05% / 16.16%
||
7 Day CHG~0.00%
Published-24 Jul, 2023 | 00:00
Updated-24 Oct, 2024 | 15:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Atera Agent through 1.8.3.6 on Windows Creates a Temporary File in a Directory with Insecure Permissions.

Action-Not Available
Vendor-ateran/aateraMicrosoft Corporation
Product-windowsateran/aatera
CWE ID-CWE-276
Incorrect Default Permissions
CVE-2021-31953
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.48% / 65.40%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 22:46
Updated-03 Aug, 2024 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Filter Manager Elevation of Privilege Vulnerability

Windows Filter Manager Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2012windows_8.1windows_rt_8.1windows_7windows_10windows_server_2019windows_server_2008Windows 10 Version 1607Windows Server 2019 (Server Core installation)Windows Server 2008 Service Pack 2Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows 8.1Windows Server 2012 (Server Core installation)Windows 7Windows 7 Service Pack 1Windows Server 2016Windows 10 Version 1507Windows Server 2008 R2 Service Pack 1Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2012 R2Windows Server 2019Windows Server 2012Windows Server 2008 Service Pack 2Windows Server 2012 R2 (Server Core installation)
CVE-2021-31952
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.70% / 72.22%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 22:46
Updated-03 Aug, 2024 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CVE-2021-31776
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.05% / 14.94%
||
7 Day CHG~0.00%
Published-29 Apr, 2021 | 00:03
Updated-03 Aug, 2024 | 23:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Aviatrix VPN Client before 2.14.14 on Windows has an unquoted search path that enables local privilege escalation to the SYSTEM user, if the machine is misconfigured to allow unprivileged users to write to directories that are supposed to be restricted to administrators.

Action-Not Available
Vendor-n/aMicrosoft CorporationAviatrix Systems, Inc.
Product-windowsvpn_clientn/a
CWE ID-CWE-428
Unquoted Search Path or Element
CVE-2021-31973
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.48% / 65.40%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 22:46
Updated-03 Aug, 2024 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows GPSVC Elevation of Privilege Vulnerability

Windows GPSVC Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2012windows_8.1windows_rt_8.1windows_7windows_10windows_server_2019windows_server_2008Windows 10 Version 1607Windows Server version 2004Windows 10 Version 21H1Windows Server 2019 (Server Core installation)Windows Server 2008 Service Pack 2Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows 8.1Windows Server 2012 (Server Core installation)Windows 7Windows Server version 20H2Windows 10 Version 1909Windows 7 Service Pack 1Windows 10 Version 20H2Windows Server 2016Windows 10 Version 2004Windows 10 Version 1507Windows Server 2008 R2 Service Pack 1Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2012 R2Windows Server 2019Windows Server 2012Windows Server 2008 Service Pack 2Windows Server 2012 R2 (Server Core installation)
CVE-2021-31954
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-1.26% / 79.60%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 22:46
Updated-03 Aug, 2024 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Common Log File System Driver Elevation of Privilege Vulnerability

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2012windows_8.1windows_rt_8.1windows_7windows_10windows_server_2019windows_server_2008Windows 10 Version 1607Windows Server version 2004Windows 10 Version 21H1Windows Server 2019 (Server Core installation)Windows Server 2008 Service Pack 2Windows 10 Version 1809Windows Server 2016 (Server Core installation)Windows 8.1Windows Server 2012 (Server Core installation)Windows 7Windows Server version 20H2Windows 10 Version 1909Windows 7 Service Pack 1Windows 10 Version 20H2Windows Server 2016Windows 10 Version 2004Windows 10 Version 1507Windows Server 2008 R2 Service Pack 1Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2012 R2Windows Server 2019Windows Server 2012Windows Server 2008 Service Pack 2Windows Server 2012 R2 (Server Core installation)
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-269
Improper Privilege Management
CVE-2021-31969
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.85% / 75.13%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 22:46
Updated-03 Aug, 2024 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows Server version 2004Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows 10 Version 1809Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CWE ID-CWE-269
Improper Privilege Management
CVE-2021-32463
Matching Score-8
Assigner-Trend Micro, Inc.
ShareView Details
Matching Score-8
Assigner-Trend Micro, Inc.
CVSS Score-7.8||HIGH
EPSS-0.17% / 37.64%
||
7 Day CHG~0.00%
Published-20 Jul, 2021 | 11:09
Updated-03 Aug, 2024 | 23:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An incorrect permission assignment denial-of-service vulnerability in Trend Micro Apex One, Apex One as a Service (SaaS), Worry-Free Business Security 10.0 SP1 and Worry-Free Servgices could allow a local attacker to escalate privileges and delete files with system privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Action-Not Available
Vendor-Microsoft CorporationTrend Micro Incorporated
Product-apex_onewindowsworry-free_business_securityTrend Micro Apex OneTrend Micro Worry-Free Business Security
CWE ID-CWE-732
Incorrect Permission Assignment for Critical Resource
CVE-2020-7811
Matching Score-8
Assigner-KrCERT/CC
ShareView Details
Matching Score-8
Assigner-KrCERT/CC
CVSS Score-6.2||MEDIUM
EPSS-0.04% / 13.40%
||
7 Day CHG~0.00%
Published-12 Oct, 2020 | 13:16
Updated-04 Aug, 2024 | 09:41
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Samsung Update Local Privilege Escalation Vulnerability

Samsung Update 3.0.2.0 ~ 3.0.32.0 has a vulnerability that allows privilege escalation as commands crafted by attacker are executed while the engine deserializes the data received during inter-process communication

Action-Not Available
Vendor-Samsung ElectronicsSamsungMicrosoft Corporation
Product-windowsupdate Samsung Update
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2021-31956
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-90.72% / 99.64%
||
7 Day CHG~0.00%
Published-08 Jun, 2021 | 22:46
Updated-13 Jan, 2026 | 22:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2021-11-17||Apply updates per vendor instructions.
Windows NTFS Elevation of Privilege Vulnerability

Windows NTFS Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2004windows_server_2016windows_8.1windows_10_21h1windows_server_20h2windows_10_20h2windows_10_1507windows_server_2019windows_7windows_rt_8.1windows_10_1809windows_10_1607windows_10_2004windows_10_1909windows_server_2008windows_server_2012Windows 7Windows Server 2012 R2Windows Server 2016 (Server Core installation)Windows 8.1Windows 10 Version 1507Windows Server version 2004Windows Server 2012Windows Server 2008 Service Pack 2Windows Server 2008 Service Pack 2 (Server Core installation)Windows 10 Version 20H2Windows Server 2008 Service Pack 2Windows 10 Version 1607Windows Server version 20H2Windows 7 Service Pack 1Windows Server 2012 R2 (Server Core installation)Windows Server 2019Windows Server 2016Windows 10 Version 1909Windows 10 Version 1809Windows Server 2012 (Server Core installation)Windows 10 Version 2004Windows Server 2008 R2 Service Pack 1Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2019 (Server Core installation)Windows 10 Version 21H1Windows
CWE ID-CWE-191
Integer Underflow (Wrap or Wraparound)
CVE-2021-30359
Matching Score-8
Assigner-Check Point Software Ltd.
ShareView Details
Matching Score-8
Assigner-Check Point Software Ltd.
CVSS Score-7.8||HIGH
EPSS-0.06% / 19.00%
||
7 Day CHG~0.00%
Published-22 Oct, 2021 | 13:32
Updated-03 Aug, 2024 | 22:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Harmony Browse and the SandBlast Agent for Browsers installers must have admin privileges to execute some steps during the installation. Because the MS Installer allows regular users to repair their installation, an attacker running an installer before 90.08.7405 can start the installation repair and place a specially crafted binary in the repair folder, which runs with the admin privileges.

Action-Not Available
Vendor-n/aMicrosoft CorporationCheck Point Software Technologies Ltd.
Product-windowssandblast_agent_for_browsersharmony_browseCheck Point Harmony Browse and SandBlast Agent for Browsers
CWE ID-CWE-427
Uncontrolled Search Path Element
CVE-2021-31170
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.39% / 59.98%
||
7 Day CHG~0.00%
Published-11 May, 2021 | 19:11
Updated-03 Aug, 2024 | 22:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Graphics Component Elevation of Privilege Vulnerability

Windows Graphics Component Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2019windows_10Windows 10 Version 2004Windows Server version 2004Windows 10 Version 1803Windows Server 2019 (Server Core installation)Windows 10 Version 1809Windows Server, version 1909 (Server Core installation)Windows Server 2019Windows Server version 20H2Windows 10 Version 1909Windows 10 Version 20H2
CWE ID-CWE-416
Use After Free
CVE-2025-29970
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.69% / 72.07%
||
7 Day CHG~0.00%
Published-13 May, 2025 | 16:58
Updated-13 Feb, 2026 | 19:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Microsoft Brokering File System Elevation of Privilege Vulnerability

Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2022_23h2windows_server_2025windows_11_24h2Windows 11 Version 24H2Windows Server 2025 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows Server 2025
CWE ID-CWE-416
Use After Free
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