Security Feature Bypass in Microsoft Products
CVE-2025-21332

4.3MEDIUM

Key Information:

Vendor

Microsoft
Status
Windows Server 2025
Windows Server 2025 (server Core Installation)
Windows 10 Version 1809
Windows Server 2019
Vendor
CVE Published:
14 January 2025

What is CVE-2025-21332?

The MapUrlToZone security feature bypass vulnerability allows attackers to circumvent security measures designed to isolate potentially harmful web content. This vulnerability could enable unauthorized actions on behalf of the user by manipulating how URLs are interpreted and assigned to security zones in affected Microsoft products.

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Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.20890

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.7699

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.6775

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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