CVE-2023-36046: Microsoft Windows 11 21h2

High severity, CVSS 7.1. EPSS: 0.7% chance of exploitation in the next 30 days.

Windows Authentication Denial of Service Vulnerability

Affected products

• Microsoft Windows 11 21h2: before 10.0.22000.2600 (fixed in 10.0.22000.2600)
• Microsoft Windows 11 22h2: before 10.0.22621.2715 (fixed in 10.0.22621.2715)
• Microsoft Windows 11 23h2: before 10.0.22621.2715 (fixed in 10.0.22621.2715)
• Microsoft Windows Server 2022: affected versions not specified

Published 2023-11-14. Last modified 2026-06-17.