CVE-2023-21774: Microsoft Windows 10 1607

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Windows Kernel Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 1607: affected versions not specified
• Microsoft Windows 10 1809: affected versions not specified
• Microsoft Windows 10 20h2: affected versions not specified
• Microsoft Windows 10 21h2: affected versions not specified
• Microsoft Windows 10 22h2: affected versions not specified
• Microsoft Windows 11 21h2: affected versions not specified
• Microsoft Windows 11 22h2: 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: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified
• Microsoft Windows Server 2019: affected versions not specified
• Microsoft Windows Server 2022: affected versions not specified

Published 2023-01-10. Last modified 2026-06-17.