CVE-2026-27912

high Microsoft
CVSS v3 Base Score
8.0
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.3%
Exploitation probability in 30 days
Top 50% most likely to be exploited
Attack Characteristics
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: April 14, 2026 (29 days ago)
Last Modified: April 24, 2026
Vendor: Microsoft
Source: MITRE

Description

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

CWE

CWE-285

Affected Products

Microsoft Windows Server 2012Microsoft Windows Server 2012 (Server Core installation)Microsoft Windows Server 2012 R2Microsoft Windows Server 2012 R2 (Server Core installation)Microsoft Windows Server 2016Microsoft Windows Server 2016 (Server Core installation)Microsoft Windows Server 2019Microsoft Windows Server 2019 (Server Core installation)Microsoft Windows Server 2022Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

References

🔗 msrc.microsoft.com