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Vulnerability Details :

CVE-2026-55999

Summary
Assigner-suse
Assigner Org ID-404e59f5-483d-4b8a-8e7a-e67604dd8afb
Published At-08 Jul, 2026 | 08:07
Updated At-09 Jul, 2026 | 03:55
Rejected At-
Credits

xorg-server / xwayland glamor font atlas Heap Buffer Overflow

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.

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–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:suse
Assigner Org ID:404e59f5-483d-4b8a-8e7a-e67604dd8afb
Published At:08 Jul, 2026 | 08:07
Updated At:09 Jul, 2026 | 03:55
Rejected At:
â–¼CVE Numbering Authority (CNA)
xorg-server / xwayland glamor font atlas Heap Buffer Overflow

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.

Affected Products
Vendor
X.Org FoundationX.Org
Product
xorg-server
Package Name
xorg-server
Repo
https://gitlab.freedesktop.org/xorg/xserver/
Default Status
unaffected
Versions
Affected
  • From 0 before 21.1.24 (rpm)
Vendor
X.Org FoundationX.Org
Product
xwayland
Package Name
xwayland
Repo
https://gitlab.freedesktop.org/xorg/xserver/
Default Status
unaffected
Versions
Affected
  • From 0 before 24.1.13 (rpm)
Problem Types
TypeCWE IDDescription
CWECWE-122CWE-122 Heap-based buffer overflow
Type: CWE
CWE ID: CWE-122
Description: CWE-122 Heap-based buffer overflow
Metrics
VersionBase scoreBase severityVector
3.18.5HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Version: 3.1
Base score: 8.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-234CAPEC-234 Hijacking a privileged process
CAPEC ID: CAPEC-234
Description: CAPEC-234 Hijacking a privileged process
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Anonymous working with Trend Micro Zero Day Initiative.
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://gitlab.freedesktop.org/xorg/xserver/-/commit/fbf7bac22e2c6bd627fb042742a23318263edae1
patch
https://www.openwall.com/lists/oss-security/2026/07/08/2
vendor-advisory
Hyperlink: https://gitlab.freedesktop.org/xorg/xserver/-/commit/fbf7bac22e2c6bd627fb042742a23318263edae1
Resource:
patch
Hyperlink: https://www.openwall.com/lists/oss-security/2026/07/08/2
Resource:
vendor-advisory
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:meissner@suse.de
Published At:08 Jul, 2026 | 09:16
Updated At:09 Jul, 2026 | 19:49

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.5HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A
Type: Secondary
Version: 3.1
Base score: 8.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Type: Primary
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
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches

X.Org Foundation
x.org
>>x_server>>Versions before 21.2.24(exclusive)
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
X.Org Foundation
x.org
>>xwayland>>Versions before 24.1.13(exclusive)
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-122Secondarymeissner@suse.de
CWE ID: CWE-122
Type: Secondary
Source: meissner@suse.de
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://gitlab.freedesktop.org/xorg/xserver/-/commit/fbf7bac22e2c6bd627fb042742a23318263edae1meissner@suse.de
Patch
https://www.openwall.com/lists/oss-security/2026/07/08/2meissner@suse.de
Mailing List
Patch
Third Party Advisory
Hyperlink: https://gitlab.freedesktop.org/xorg/xserver/-/commit/fbf7bac22e2c6bd627fb042742a23318263edae1
Source: meissner@suse.de
Resource:
Patch
Hyperlink: https://www.openwall.com/lists/oss-security/2026/07/08/2
Source: meissner@suse.de
Resource:
Mailing List
Patch
Third Party Advisory

Change History

0
Information is not available yet

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Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1607windows_11_23h2windows_server_2019windows_server_2022_23h2windows_server_2025windows_11_24h2windows_10_22h2windows_11_22h2windows_10_1809windows_10_21h2windows_server_2022windows_server_2016Windows Server 2025Windows 11 Version 23H2Windows 10 Version 1809Windows 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 10 Version 21H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-125
Out-of-bounds Read
CVE-2025-24066
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.67% / 47.72%
||
7 Day CHG+0.02%
Published-11 Mar, 2025 | 16:59
Updated-13 Feb, 2026 | 19:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Kernel Streaming Service Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1607windows_11_23h2windows_server_2022_23h2windows_server_2025windows_11_24h2windows_10_22h2windows_11_22h2windows_10_1507windows_10_21h2windows_server_2016Windows Server 2025Windows 11 Version 23H2Windows 10 Version 1809Windows 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 10 Version 1507Windows 10 Version 21H2Windows 11 version 22H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-24067
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.67% / 47.72%
||
7 Day CHG+0.02%
Published-11 Mar, 2025 | 16:59
Updated-13 Feb, 2026 | 19:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Kernel Streaming Service Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2022_23h2windows_11_22h2windows_10_22h2windows_11_24h2windows_10_1507windows_10_1607windows_server_2025windows_server_2019windows_11_23h2windows_10_1809windows_server_2016windows_10_21h2windows_server_2022Windows Server 2025Windows 11 Version 23H2Windows 10 Version 1809Windows 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 10 Version 1507Windows 10 Version 21H2Windows 11 version 22H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-24048
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.51% / 40.07%
||
7 Day CHG+0.01%
Published-11 Mar, 2025 | 16:59
Updated-13 Feb, 2026 | 19:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Hyper-V Elevation of Privilege Vulnerability

Heap-based buffer overflow in Role: Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1607windows_server_2022_23h2windows_server_2019windows_server_2025windows_11_24h2windows_10_22h2windows_11_22h2windows_10_1809windows_10_21h2windows_server_2022windows_server_2016Windows Server 2025Windows 11 Version 23H2Windows 10 Version 1809Windows 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 10 Version 21H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-125
Out-of-bounds Read
CVE-2026-45638
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.29% / 20.63%
||
7 Day CHG~0.00%
Published-09 Jun, 2026 | 17:05
Updated-15 Jul, 2026 | 20:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_24h2windows_server_2012windows_10_22h2windows_11_23h2windows_server_2016windows_server_2022windows_10_21h2windows_10_1607windows_server_2019windows_server_2025windows_11_25h2windows_11_26h1windows_10_1809Windows 11 version 23H2Windows 10 Version 1607Windows Server 2012 R2Windows 11 Version 23H2Windows Server 2025 (Server Core installation)Windows Server 2019 (Server Core installation)Windows Server 2012 (Server Core installation)Windows 10 Version 21H2Windows Server 2012Windows 11 Version 25H2Windows Server 2012 R2 (Server Core installation)Windows Server 2019Windows 10 Version 1809Windows 10 Version 22H2Windows Server 2016 (Server Core installation)Windows Server 2022Windows Server 2016Windows 11 version 26H1Windows Server 2025Windows 11 Version 24H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-24063
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.59% / 44.18%
||
7 Day CHG+0.01%
Published-13 May, 2025 | 16:59
Updated-13 Feb, 2026 | 19:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Kernel Streaming Service Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2012windows_server_2016windows_10_1507windows_10_22h2windows_11_23h2windows_11_22h2windows_10_1607windows_server_2019windows_server_2022_23h2windows_server_2025windows_11_24h2windows_server_2008windows_10_1809windows_server_2022windows_10_21h2Windows 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-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-44811
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.27% / 18.48%
||
7 Day CHG~0.00%
Published-09 Jun, 2026 | 17:06
Updated-15 Jul, 2026 | 20:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows DWM Core Library Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_26h1Windows 11 version 26H1
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-20
Improper Input Validation
CWE ID-CWE-416
Use After Free
CVE-2025-2310
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.37% / 29.27%
||
7 Day CHG+0.01%
Published-14 Mar, 2025 | 21:00
Updated-28 May, 2025 | 18:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
HDF5 Metadata Attribute Decoder H5MM_strndup heap-based overflow

A vulnerability was found in HDF5 1.14.6 and classified as critical. This issue affects the function H5MM_strndup of the component Metadata Attribute Decoder. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.

Action-Not Available
Vendor-n/aThe HDF Group
Product-hdf5HDF5
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-2309
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.33% / 25.35%
||
7 Day CHG+0.01%
Published-14 Mar, 2025 | 21:00
Updated-28 May, 2025 | 18:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
HDF5 Type Conversion Logic H5T__bit_copy heap-based overflow

A vulnerability has been found in HDF5 1.14.6 and classified as critical. This vulnerability affects the function H5T__bit_copy of the component Type Conversion Logic. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.

Action-Not Available
Vendor-n/aThe HDF Group
Product-hdf5HDF5
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-38154
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.88% / 55.04%
||
7 Day CHG~0.00%
Published-08 Aug, 2023 | 17:08
Updated-27 Feb, 2025 | 21:06
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_10_1809windows_server_2019Windows Server 2019 (Server Core installation)Windows Server 2019Windows 10 Version 1809
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-2308
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.37% / 29.57%
||
7 Day CHG+0.01%
Published-14 Mar, 2025 | 20:31
Updated-28 May, 2025 | 18:14
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
HDF5 Scale-Offset Filter H5Z__scaleoffset_decompress_one_byte heap-based overflow

A vulnerability, which was classified as critical, was found in HDF5 1.14.6. This affects the function H5Z__scaleoffset_decompress_one_byte of the component Scale-Offset Filter. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.

Action-Not Available
Vendor-n/aThe HDF Group
Product-hdf5HDF5
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-44808
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.27% / 18.48%
||
7 Day CHG~0.00%
Published-09 Jun, 2026 | 17:06
Updated-15 Jul, 2026 | 20:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows DWM Core Library Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_26h1Windows 11 version 26H1
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-416
Use After Free
CVE-2025-21378
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.55% / 42.48%
||
7 Day CHG~0.00%
Published-14 Jan, 2025 | 18:04
Updated-09 Jun, 2026 | 18:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows CSC Service Elevation of Privilege Vulnerability

Windows CSC Service Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2016windows_server_2022_23h2windows_server_2025windows_10_21h2windows_11_23h2windows_server_2019windows_10_1507windows_server_2022windows_10_1607windows_10_22h2windows_11_22h2windows_server_2012windows_10_1809windows_11_24h2Windows 11 Version 23H2Windows Server 2016Windows 10 Version 1607Windows Server 2019 (Server Core installation)Windows Server 2019Windows Server 2012 R2 (Server Core installation)Windows 10 Version 21H2Windows 10 Version 1507Windows 11 Version 24H2Windows 11 version 22H3Windows Server 2016 (Server Core installation)Windows Server 2025 (Server Core installation)Windows 10 Version 1809Windows Server 2012 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H2Windows Server 2025Windows Server 2022Windows Server 2012Windows 10 Version 22H2Windows Server 2012 R2
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-21382
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.49% / 39.10%
||
7 Day CHG~0.00%
Published-14 Jan, 2025 | 18:04
Updated-09 Jun, 2026 | 18:29
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_2022_23h2windows_server_2025windows_10_21h2windows_11_23h2windows_server_2019windows_server_2022windows_10_22h2windows_11_22h2windows_10_1809windows_11_24h2Windows 11 Version 23H2Windows 11 version 22H3Windows 11 Version 24H2Windows Server 2025 (Server Core installation)Windows Server 2022Windows 10 Version 1809Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H2Windows Server 2019Windows Server 2025Windows Server 2019 (Server Core installation)Windows 10 Version 22H2Windows 10 Version 21H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2025-21375
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.63% / 46.17%
||
7 Day CHG~0.00%
Published-11 Feb, 2025 | 17:58
Updated-13 Feb, 2026 | 19:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2012windows_10_1809windows_10_22h2windows_10_21h2windows_server_2022_23h2windows_11_22h2windows_11_23h2windows_10_1607windows_11_24h2windows_server_2025windows_server_2022windows_10_1507windows_server_2019windows_server_2008windows_server_2016Windows 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-122
Heap-based Buffer Overflow
CWE ID-CWE-20
Improper Input Validation
CVE-2026-42980
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-5.66% / 92.10%
||
7 Day CHG~0.00%
Published-09 Jun, 2026 | 17:06
Updated-15 Jul, 2026 | 20:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
NT OS Kernel Elevation of Privilege Vulnerability

Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_21h2windows_10_1607windows_server_2025windows_server_2012windows_server_2016windows_server_2022windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2019windows_10_1809Windows 11 version 23H2Windows 10 Version 1607Windows Server 2012 R2Windows 11 Version 23H2Windows Server 2025 (Server Core installation)Windows Server 2019 (Server Core installation)Windows Server 2012 (Server Core installation)Windows 10 Version 21H2Windows Server 2012Windows 11 Version 25H2Windows Server 2012 R2 (Server Core installation)Windows Server 2019Windows 10 Version 1809Windows 10 Version 22H2Windows Server 2016 (Server Core installation)Windows Server 2022Windows Server 2016Windows 11 version 26H1Windows Server 2025Windows 11 Version 24H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-191
Integer Underflow (Wrap or Wraparound)
CVE-2025-21418
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-1.54% / 72.08%
||
7 Day CHG~0.00%
Published-11 Feb, 2025 | 17:58
Updated-26 Feb, 2026 | 19:09
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 - 2025-03-04||Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_22h2windows_server_2012windows_server_2008windows_10_21h2windows_11_23h2windows_11_24h2windows_server_2022windows_10_1607windows_10_22h2windows_server_2022_23h2windows_10_1809windows_server_2025windows_server_2019windows_server_2016Windows 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-122
Heap-based Buffer Overflow
CVE-2023-35363
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.48% / 38.15%
||
7 Day CHG+0.01%
Published-11 Jul, 2023 | 17:02
Updated-01 Jan, 2025 | 01:52
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_10_21h2windows_10_1809windows_11_22h2windows_11_21h2windows_10_22h2windows_server_2022windows_server_2019Windows Server 2022Windows 10 Version 21H2Windows 11 version 22H2Windows Server 2019 (Server Core installation)Windows 10 Version 1809Windows 11 version 21H2Windows Server 2019Windows 10 Version 22H2
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-21333
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-9.80% / 95.01%
||
7 Day CHG~0.00%
Published-14 Jan, 2025 | 18:04
Updated-09 Jun, 2026 | 18:30
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 - 2025-02-04||Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_22h2windows_10_21h2windows_11_24h2windows_11_23h2windows_10_22h2windows_server_2022_23h2windows_server_2025Windows 11 Version 23H2Windows 11 version 22H3Windows 11 Version 24H2Windows Server 2025 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H2Windows Server 2025Windows 10 Version 22H2Windows 10 Version 21H2Windows
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2026-42896
Matching Score-4
Assigner-Microsoft Corporation
ShareView Details
Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.28% / 20.34%
||
7 Day CHG~0.00%
Published-12 May, 2026 | 16:59
Updated-19 Jun, 2026 | 16:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows DWM Core Library Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_26h1windows_11_25h2windows_11_24h2windows_server_2025Windows 11 Version 25H2Windows Server 2025 (Server Core installation)Windows 11 Version 24H2Windows 11 version 26H1Windows Server 2025
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2023-34318
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.8||HIGH
EPSS-0.27% / 19.46%
||
7 Day CHG~0.00%
Published-10 Jul, 2023 | 17:16
Updated-27 Jun, 2025 | 18:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap-buffer-overflow in src/hcom.c

A heap buffer overflow vulnerability was found in sox, in the startread function at sox/src/hcom.c:160:41. This flaw can lead to a denial of service, code execution, or information disclosure.

Action-Not Available
Vendor-n/aFedora ProjectRed Hat, Inc.SoX - Sound eXchange
Product-fedorasound_exchangeenterprise_linuxextra_packages_for_enterprise_linuxExtra Packages for Enterprise LinuxsoxRed Hat Enterprise Linux 6Red Hat Enterprise Linux 7Fedora
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-20728
Matching Score-4
Assigner-MediaTek, Inc.
ShareView Details
Matching Score-4
Assigner-MediaTek, Inc.
CVSS Score-7.8||HIGH
EPSS-0.13% / 3.18%
||
7 Day CHG~0.00%
Published-04 Nov, 2025 | 06:19
Updated-26 Feb, 2026 | 17:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00447115; Issue ID: MSV-4276.

Action-Not Available
Vendor-MediaTek Inc.
Product-mt7925mt7922mt7902mt7927software_development_kitmt7920mt7921MT7902, MT7920, MT7921, MT7922, MT7925, MT7927
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-20733
Matching Score-4
Assigner-MediaTek, Inc.
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Matching Score-4
Assigner-MediaTek, Inc.
CVSS Score-7.8||HIGH
EPSS-0.13% / 3.18%
||
7 Day CHG~0.00%
Published-04 Nov, 2025 | 06:19
Updated-26 Feb, 2026 | 17:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00441509; Issue ID: MSV-4138.

Action-Not Available
Vendor-MediaTek Inc.OpenWrt
Product-mt7615mt7622mt7916openwrtmt7986mt7981mt6890mt7915software_development_kitmt7663MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-20735
Matching Score-4
Assigner-MediaTek, Inc.
ShareView Details
Matching Score-4
Assigner-MediaTek, Inc.
CVSS Score-7.8||HIGH
EPSS-0.13% / 3.18%
||
7 Day CHG~0.00%
Published-04 Nov, 2025 | 06:19
Updated-26 Feb, 2026 | 17:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435349; Issue ID: MSV-4051.

Action-Not Available
Vendor-MediaTek Inc.OpenWrt
Product-mt7615mt7622mt7916openwrtmt7986mt7981mt6890mt7915software_development_kitmt7663MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-15533
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.31% / 22.62%
||
7 Day CHG~0.00%
Published-18 Jan, 2026 | 05:02
Updated-23 Feb, 2026 | 09:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
raysan5 raylib rtext.c GenImageFontAtlas heap-based overflow

A vulnerability was determined in raysan5 raylib up to 909f040. Affected by this vulnerability is the function GenImageFontAtlas of the file src/rtext.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. This patch is called 5a3391fdce046bc5473e52afbd835dd2dc127146. Applying a patch is advised to resolve this issue.

Action-Not Available
Vendor-raylibraysan5
Product-raylibraylib
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-14958
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.19% / 9.37%
||
7 Day CHG+0.01%
Published-19 Dec, 2025 | 17:32
Updated-30 Dec, 2025 | 18:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
floooh sokol sokol_gfx.h _sg_pipeline_common_init heap-based overflow

A security flaw has been discovered in floooh sokol up to 33e2271c431bf21de001e972f72da17a984da932. This vulnerability affects the function _sg_pipeline_common_init in the library sokol_gfx.h. Performing manipulation results in heap-based buffer overflow. The attack needs to be approached locally. The exploit has been released to the public and may be exploited. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The patch is named 33e2271c431bf21de001e972f72da17a984da932. It is suggested to install a patch to address this issue.

Action-Not Available
Vendor-flooohfloooh
Product-sokolsokol
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-28262
Matching Score-4
Assigner-Microsoft Corporation
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Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-7.8||HIGH
EPSS-0.44% / 35.58%
||
7 Day CHG~0.00%
Published-11 Apr, 2023 | 19:13
Updated-23 Jan, 2025 | 01:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Visual Studio Elevation of Privilege Vulnerability

Visual Studio Elevation of Privilege Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-visual_studio_2019visual_studio_2022Microsoft Visual Studio 2022 version 17.2Microsoft Visual Studio 2022 version 17.5Microsoft Visual Studio 2022 version 17.0Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)Microsoft Visual Studio 2022 version 17.4
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2018-1124
Matching Score-4
Assigner-Red Hat, Inc.
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Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.3||HIGH
EPSS-1.83% / 76.51%
||
7 Day CHG~0.00%
Published-23 May, 2018 | 13:00
Updated-18 Dec, 2025 | 11:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

procps-ng before version 3.3.15 is vulnerable to multiple integer overflows leading to a heap corruption in file2strvec function. This allows a privilege escalation for a local attacker who can create entries in procfs by starting processes, which could result in crashes or arbitrary code execution in proc utilities run by other users.

Action-Not Available
Vendor-procps-ng_project[UNKNOWN]Debian GNU/LinuxCanonical Ltd.Red Hat, Inc.openSUSE
Product-enterprise_linux_serverubuntu_linuxdebian_linuxprocps-ngenterprise_linux_workstationenterprise_linuxenterprise_linux_desktopstruxureware_data_center_expertleapprocps-ng
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-190
Integer Overflow or Wraparound
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-12204
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.28% / 19.97%
||
7 Day CHG~0.00%
Published-27 Oct, 2025 | 02:02
Updated-24 Feb, 2026 | 07:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Kamailio Configuration File rvalue.c rve_destroy heap-based overflow

A security vulnerability has been detected in Kamailio 5.5. Impacted is the function rve_destroy of the file src/core/rvalue.c of the component Configuration File Handler. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. There is ongoing doubt regarding the real existence of this vulnerability. This attack requires manipulating config files which might not be a realistic scenario in many cases. The vendor was contacted early about this disclosure but did not respond in any way.

Action-Not Available
Vendor-kamailion/a
Product-kamailioKamailio
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-10997
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.22% / 13.01%
||
7 Day CHG~0.00%
Published-26 Sep, 2025 | 02:32
Updated-29 Sep, 2025 | 13:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Open Babel chemkinformat.cpp CheckSpecies heap-based overflow

A flaw has been found in Open Babel up to 3.1.1. Impacted is the function ChemKinFormat::CheckSpecies of the file /src/formats/chemkinformat.cpp. Executing manipulation can lead to heap-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used.

Action-Not Available
Vendor-openbabeln/a
Product-open_babelOpen Babel
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-11082
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.23% / 14.29%
||
7 Day CHG~0.00%
Published-27 Sep, 2025 | 22:32
Updated-14 Jul, 2026 | 12:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GNU Binutils Linker elf-eh-frame.c _bfd_elf_parse_eh_frame heap-based overflow

A flaw has been found in GNU Binutils 2.45. Impacted is the function _bfd_elf_parse_eh_frame of the file bfd/elf-eh-frame.c of the component Linker. Executing manipulation can lead to heap-based buffer overflow. The attack is restricted to local execution. The exploit has been published and may be used. This patch is called ea1a0737c7692737a644af0486b71e4a392cbca8. A patch should be applied to remediate this issue. The code maintainer replied with "[f]ixed for 2.46".

Action-Not Available
Vendor-Siemens AGGNU
Product-binutilsBinutilsSIMATIC S7-1500 CPU 1518F-4 PN/DP MFPSIMATIC S7-1500 CPU 1518-4 PN/DP MFPSIPLUS S7-1500 CPU 1518-4 PN/DP MFP
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2025-11277
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-4.8||MEDIUM
EPSS-0.22% / 12.77%
||
7 Day CHG-0.00%
Published-05 Oct, 2025 | 01:32
Updated-24 Feb, 2026 | 07:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Open Asset Import Library Assimp Q3DLoader.cpp InternReadFile heap-based overflow

A weakness has been identified in Open Asset Import Library Assimp 6.0.2. This affects the function Q3DImporter::InternReadFile of the file assimp/code/AssetLib/Q3D/Q3DLoader.cpp. Executing a manipulation can lead to heap-based buffer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks.

Action-Not Available
Vendor-assimpOpen Asset Import Library
Product-assimpAssimp
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-122
Heap-based Buffer Overflow
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