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Vulnerability Details :

CVE-2026-58283

Summary
Assigner-microsoft
Assigner Org ID-f38d906d-7342-40ea-92c1-6c4a2c6478c8
Published At-03 Jul, 2026 | 20:35
Updated At-03 Jul, 2026 | 21:26
Rejected At-
Credits

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

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)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:microsoft
Assigner Org ID:f38d906d-7342-40ea-92c1-6c4a2c6478c8
Published At:03 Jul, 2026 | 20:35
Updated At:03 Jul, 2026 | 21:26
Rejected At:
▼CVE Numbering Authority (CNA)
Microsoft Edge (Chromium-based) Spoofing Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Affected Products
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft Edge (Chromium-based)
Versions
Affected
  • From 1.0.0.0 before 150.0.4078.48 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-843CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
Type: CWE
CWE ID: CWE-843
Description: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
Metrics
VersionBase scoreBase severityVector
3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L/E:U/RL:O/RC:C
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L/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-2026-58283
vendor-advisory
patch
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58283
Resource:
vendor-advisory
patch
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secure@microsoft.com
Published At:03 Jul, 2026 | 21:17
Updated At:03 Jul, 2026 | 21:17

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

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
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-843Primarysecure@microsoft.com
CWE ID: CWE-843
Type: Primary
Source: secure@microsoft.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58283secure@microsoft.com
N/A
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58283
Source: secure@microsoft.com
Resource: N/A

Change History

0
Information is not available yet

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KEV Action Due Date-Not Available

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Vendor-Microsoft Corporation
Product-internet_explorerwindows_server_2016windows_server_2012windows_8.1windows_rt_8.1windows_7chakracorewindows_10windows_server_2019windows_server_2008edgeMicrosoft Edge (EdgeHTML-based) on Windows 10 for x64-based SystemsInternet Explorer 11 on Windows 10 Version 2004 for x64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit SystemsInternet Explorer 11Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit SystemsInternet Explorer 11 on Windows Server 2012Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows Server 2016Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based SystemsInternet Explorer 11 on Windows 10 Version 2004 for ARM64-based SystemsInternet Explorer 11 on Windows 10 Version 1903 for x64-based SystemsInternet Explorer 11 on Windows 10 Version 2004 for 32-bit SystemsInternet Explorer 11 on Windows 10 Version 1903 for 32-bit SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based SystemsInternet Explorer 11 on Windows 10 Version 1903 for ARM64-based SystemsInternet Explorer 11 on Windows 10 Version 1909 for x64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based SystemsChakraCoreMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit SystemsInternet Explorer 11 on Windows 10 Version 1909 for ARM64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows Server 2019Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for ARM64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based SystemsInternet Explorer 11 on Windows 10 Version 1909 for 32-bit SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 for 32-bit SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for 32-bit SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for x64-based SystemsMicrosoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems
CWE ID-CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
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