CVE-2025-62466HighCVSS 7.8

Windows Client-Side Caching Elevation of Privilege Vulnerability

Published
December 9, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-62466 →

📋 Description

Null pointer dereference in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.

🎯 Affected products35

  • 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 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 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 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)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • +5 more not shown

✅ Remediation

KB5071544 (Security Update) — fixed build 10.0.17763.8146 KB5071547 (Security Update) — fixed build 10.0.20348.4529 KB5071413 (Security Hotpatch Update) — fixed build 10.0.20348.4467 KB5071546 (Security Update) — fixed build 10.0.19044.6691 KB5071546 (Security Update) — fixed build 10.0.19045.6691 KB5072033 (Security Update) — fixed build 10.0.26100.7462 KB5072014 (Security Hotpatch Update) — fixed build 10.0.26100.7392 KB5072033 (Security Update) — fixed build 10.0.26200.7462 KB5072014 (Security Hotpatch Update) — fixed build 10.0.26200.7392 KB5071417 (Security Update) — fixed build 10.0.22631.6345 KB5071542 (Security Update) — fixed build 10.0.25398.2025 KB5071543 (Security Update) — fixed build 10.0.14393.8688 KB5071504 (Monthly Rollup) — fixed build 6.0.6003.23666 KB5071507 (Security Only) — fixed build 6.0.6003.23666 KB5071501 (Monthly Rollup) — fixed build 6.1.7601.28064 KB5071506 (Security Only) — fixed build 6.1.7601.28064 KB5071505 (Monthly Rollup) — fixed build 6.2.9200.25815 KB5071503 (Monthly Rollup) — fixed build 6.3.9600.22920

🔗 References (31)