CVE-2024-20681: Microsoft Windows 10 21h2

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

Windows Subsystem for Linux Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 21h2: before 10.0.19044.3930 (fixed in 10.0.19044.3930)
• Microsoft Windows 10 22h2: before 10.0.19045.3930 (fixed in 10.0.19045.3930)
• Microsoft Windows 11 21h2: before 10.0.22000.2713 (fixed in 10.0.22000.2713)
• Microsoft Windows 11 22h2: before 10.0.22621.3007 (fixed in 10.0.22621.3007)
• Microsoft Windows 11 23h2: before 10.0.22631.3007 (fixed in 10.0.22631.3007)
• Microsoft Windows Server 2022: affected versions not specified
• Microsoft Windows Server 2022 23h2: affected versions not specified

Published 2024-01-09. Last modified 2026-06-17.