CVE-2025-21269: CWE-41: Improper Resolution of Path Equivalence in Microsoft Windows 10 Version 1507
Windows HTML Platforms Security Feature Bypass Vulnerability
AI Analysis
Technical Summary
This vulnerability, identified as CWE-41 (Improper Resolution of Path Equivalence), affects Microsoft Windows 10 Version 1507 (build 10.0.10240.0). It allows a security feature bypass in the Windows HTML platform by improperly handling path equivalence, potentially enabling an attacker to circumvent security restrictions. The CVSS 3.1 base score is 4.3, indicating a medium severity with network attack vector, low complexity, no privileges required, and user interaction needed. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability could allow an attacker to bypass security features related to the Windows HTML platform, potentially leading to limited confidentiality impact. There is no impact on integrity or availability reported. No known exploits are currently in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21269 to remediate this vulnerability.
CVE-2025-21269: CWE-41: Improper Resolution of Path Equivalence in Microsoft Windows 10 Version 1507
Description
Windows HTML Platforms Security Feature Bypass Vulnerability
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-41 (Improper Resolution of Path Equivalence), affects Microsoft Windows 10 Version 1507 (build 10.0.10240.0). It allows a security feature bypass in the Windows HTML platform by improperly handling path equivalence, potentially enabling an attacker to circumvent security restrictions. The CVSS 3.1 base score is 4.3, indicating a medium severity with network attack vector, low complexity, no privileges required, and user interaction needed. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability could allow an attacker to bypass security features related to the Windows HTML platform, potentially leading to limited confidentiality impact. There is no impact on integrity or availability reported. No known exploits are currently in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21269 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.936Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21269","vendor":"Microsoft"}]
Threat ID: 68c0bd4f9ed239a66badeafe
Added to database: 09/09/2025, 23:50:39 UTC
Last enriched: 06/10/2026, 09:47:50 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 88
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