CVE-2025-27737HighCVSS 8.6

Windows Security Zone Mapping Security Feature Bypass Vulnerability

Published
April 8, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-27737 →

📋 Description

Improper input validation in Windows Security Zone Mapping allows an unauthorized attacker to bypass a security feature locally.

🎯 Affected products37

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • +7 more not shown

✅ Remediation

KB5055519 (Security Update) — fixed build 10.0.17763.7136 KB5055526 (Security Update) — fixed build 10.0.20348.3453 KB5055518 (Security Update) — fixed build 10.0.19044.5737 KB5055528 (Security Update) — fixed build 10.0.22621.5189 KB5055518 (Security Update) — fixed build 10.0.19045.5737 KB5055523 (Security Update) — fixed build 10.0.26100.3775 KB5055528 (Security Update) — fixed build 10.0.22631.5189 KB5055527 (Security Update) — fixed build 10.0.25398.1551 KB5055547 (Security Update) — fixed build 10.0.10240.20978 KB5055521 (Security Update) — fixed build 10.0.14393.7969 KB5055609 (Monthly Rollup) — fixed build 6.0.6003.23220 KB5055596 (Security Only) — fixed build 6.0.6003.23220 KB5055515 (IE Cumulative) — fixed build 1.000 KB5055561 (Monthly Rollup) — fixed build 6.1.7601.27670 KB5055570 (Security Only) — fixed build 6.1.7601.27670 KB5055581 (Monthly Rollup) — fixed build 6.2.9200.25423 KB5055557 (Monthly Rollup) — fixed build 6.3.9600.22523

🔗 References (31)