CVE-2024-21443: Microsoft Windows 10 1809

High severity, CVSS 7.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Windows Kernel Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 1809: before 10.0.17763.5576 (fixed in 10.0.17763.5576)
• Microsoft Windows 10 21h2: before 10.0.19044.4170 (fixed in 10.0.19044.4170)
• Microsoft Windows 10 22h2: before 10.0.19045.4170 (fixed in 10.0.19045.4170)
• Microsoft Windows 11 21h2: before 10.0.22000.2836 (fixed in 10.0.22000.2836)
• Microsoft Windows 11 22h2: before 10.0.22621.3296 (fixed in 10.0.22621.3296)
• Microsoft Windows 11 23h2: before 10.0.22631.3296 (fixed in 10.0.22631.3296)
• Microsoft Windows Server 2019: before 10.0.17763.5576 (fixed in 10.0.17763.5576)
• Microsoft Windows Server 2022: before 10.0.20348.2340 (fixed in 10.0.20348.2340)
• Microsoft Windows Server 2022 23h2: before 10.0.25398.763 (fixed in 10.0.25398.763)

Published 2024-03-12. Last modified 2026-06-17.