CVE-2025-21332: CWE-41: Improper Resolution of Path Equivalence in Microsoft Windows 10 Version 1507
MapUrlToZone Security Feature Bypass Vulnerability
AI Analysis
Technical Summary
This vulnerability, identified as CWE-41 (Improper Resolution of Path Equivalence), affects the MapUrlToZone feature in Windows 10 Version 1507. It allows bypassing security controls that rely on URL zone mappings by incorrectly resolving equivalent paths, which could lead to reduced security enforcement. The issue is recognized and patched by Microsoft, with an official fix released. No known exploits in the wild have been reported.
Potential Impact
The impact is limited to a security feature bypass that could allow an attacker to bypass zone-based security restrictions in Windows 10 Version 1507. The vulnerability does not directly lead to confidentiality, integrity, or availability loss but lowers the effectiveness of security zones, potentially facilitating other attacks that rely on zone enforcement.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21332 to remediate this vulnerability.
CVE-2025-21332: CWE-41: Improper Resolution of Path Equivalence in Microsoft Windows 10 Version 1507
Description
MapUrlToZone 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 the MapUrlToZone feature in Windows 10 Version 1507. It allows bypassing security controls that rely on URL zone mappings by incorrectly resolving equivalent paths, which could lead to reduced security enforcement. The issue is recognized and patched by Microsoft, with an official fix released. No known exploits in the wild have been reported.
Potential Impact
The impact is limited to a security feature bypass that could allow an attacker to bypass zone-based security restrictions in Windows 10 Version 1507. The vulnerability does not directly lead to confidentiality, integrity, or availability loss but lowers the effectiveness of security zones, potentially facilitating other attacks that rely on zone enforcement.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21332 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-11T00:29:48.351Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21332","vendor":"Microsoft"}]
Threat ID: 68c0c0d09ed239a66badfd1a
Added to database: 09/10/2025, 00:05:36 UTC
Last enriched: 06/10/2026, 09:55:32 UTC
Last updated: 07/02/2026, 20:51:15 UTC
Views: 69004
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