High severity8.0NVD Advisory· Published Apr 14, 2026· Updated Apr 23, 2026

CVE-2026-27912

Description

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

Microsoft/Windows Server 20123 versions
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*range: <10.0.25398.2274
Microsoft/Windows Server 2016
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Range: <10.0.14393.9060
Microsoft/Windows Server 2019
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Range: <10.0.17763.8644
Microsoft/Windows Server 2003
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Range: <10.0.20348.5020
Microsoft/Windows Server 2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Range: <10.0.26100.32690
Microsoft/Windows Kerberosllm-create