CVE-2022-21899: Microsoft Windows 10

Medium severity, CVSS 5.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

Affected products

• Microsoft Windows 10: affected versions not specified
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2008: version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only

Published 2022-01-11. Last modified 2026-06-17.