CVE-2025-21325HighCVSS 7.8

Windows Secure Kernel Mode Elevation of Privilege Vulnerability

Published
January 16, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-21325 →

📋 Description

What architecture(s) are impacted by this vulnerability? This vulnerability impacts ARM64 only.

How could an attacker exploit this vulnerability and what privileges could an attacker gain? An authenticated attacker could escalate privileges to Secure Kernel by overwriting the page table data meant for the kernel.

🎯 Affected products14

  • 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 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 2025
  • Windows Server 2025 (Server Core installation)

✅ Remediation

KB5049981 (Security Update) — fixed build 10.0.19044.5371 KB5050021 (Security Update) — fixed build 10.0.22621.4751 KB5049981 (Security Update) — fixed build 10.0.19045.5371 KB5050009 (Security Update) — fixed build 10.0.26100.2894 KB5050021 (Security Update) — fixed build 10.0.22631.4751

🔗 References (7)