CVE-2023-21676: Microsoft Windows 10 1809

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

Affected products

• Microsoft Windows 10 1809: affected versions not specified
• Microsoft Windows 10 20h2: affected versions not specified
• Microsoft Windows 10 21h2: affected versions not specified
• Microsoft Windows 10 22h2: affected versions not specified
• Microsoft Windows 11 21h2: affected versions not specified
• Microsoft Windows 11 22h2: affected versions not specified
• Microsoft Windows Server 2019: affected versions not specified
• Microsoft Windows Server 2022: affected versions not specified

Published 2023-01-10. Last modified 2026-06-17.