CVE-2025-59194: Microsoft Windows 11 22h2

High severity, CVSS 7.0. EPSS: 2.7% chance of exploitation in the next 30 days.

Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges locally.

Affected products

  • Microsoft Windows 11 22h2: before 10.0.22621.6060 (fixed in 10.0.22621.6060)
  • Microsoft Windows 11 23h2: up to and including 10.0.22631.6060
  • Microsoft Windows 11 24h2: before 10.0.26100.6899 (fixed in 10.0.26100.6899)
  • Microsoft Windows 11 25h2: before 10.0.26200.6899 (fixed in 10.0.26200.6899)
  • Microsoft Windows Server 2022 23h2: before 10.0.25398.1913 (fixed in 10.0.25398.1913)
  • Microsoft Windows Server 2025: up to and including 10.0.26100.6899

Published 2025-10-14. Last modified 2026-06-17.