CVE-2024-21427: Microsoft Windows Server 2012

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Windows Kerberos Security Feature Bypass Vulnerability

Affected products

• Microsoft Windows Server 2012: version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.6897 (fixed in 10.0.14393.6897)
• Microsoft Windows Server 2019: before 10.0.17763.5696 (fixed in 10.0.17763.5696)
• Microsoft Windows Server 2022: before 10.0.20348.2402 (fixed in 10.0.20348.2402)
• Microsoft Windows Server 2022 23h2: before 10.0.25398.830 (fixed in 10.0.25398.830)

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