CVE-2026-27912

No fix known EPSS <1%CVSS 8.0

Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

Published 2026-04-14 · CVE record · OSV

Products: Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation), Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2022, Microsoft Windows Server 2022, 23H2 Edition (Server Core installation), Microsoft Windows Server 2025, Microsoft Windows Server 2025 (Server Core installation)