CVE-2023-23392: Microsoft Windows 11 21h2

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

HTTP Protocol Stack Remote Code Execution Vulnerability

Affected products

• Microsoft Windows 11 21h2: before 10.0.22000.1696 (fixed in 10.0.22000.1696)
• Microsoft Windows 11 22h2: before 10.0.22000.1413 (fixed in 10.0.22000.1413)
• Microsoft Windows Server 2022: affected versions not specified

Published 2023-03-14. Last modified 2026-06-17.