CVE-2025-55334: Microsoft Windows 11 22h2

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Cleartext storage of sensitive information in Windows Kernel allows an unauthorized attacker to bypass a security feature locally.

Affected products

  • Microsoft Windows 11 22h2: before 10.0.22621.6060 (fixed in 10.0.22621.6060)
  • Microsoft Windows 11 23h2: before 10.0.22631.6060 (fixed in 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)

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