CVE-2024-38148: Microsoft Windows 11 21h2

High severity, CVSS 7.5. EPSS: 31.8% chance of exploitation in the next 30 days.

Windows Secure Channel Denial of Service Vulnerability

Affected products

• Microsoft Windows 11 21h2: before 10.0.22000.3147 (fixed in 10.0.22000.3147)
• Microsoft Windows 11 22h2: before 10.0.22621.4037 (fixed in 10.0.22621.4037)
• Microsoft Windows 11 23h2: before 10.0.22631.4037 (fixed in 10.0.22631.4037)
• Microsoft Windows 11 24h2: before 10.0.26100.1457 (fixed in 10.0.26100.1457)
• Microsoft Windows Server 2022: before 10.0.20348.2655 (fixed in 10.0.20348.2655)
• Microsoft Windows Server 2022 23h2: before 10.0.25398.1085 (fixed in 10.0.25398.1085)

Published 2024-08-13. Last modified 2026-06-17.