CVE-2026-27912

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

CVSS v3 8.0 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27912	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016::::::::
	cpe:2.3:o:microsoft:windows_server_2019::::::::
	cpe:2.3:o:microsoft:windows_server_2022::::::::
	cpe:2.3:o:microsoft:windows_server_2022_23h2::::::::
	cpe:2.3:o:microsoft:windows_server_2025::::::::

History

No history.

Information

Published : 2026-04-14 18:16

Updated : 2026-06-17 10:27

NVD link : CVE-2026-27912

Mitre link : CVE-2026-27912

CVE.ORG link : CVE-2026-27912

JSON object : View

Products Affected

microsoft

windows_server_2022_23h2
windows_server_2019
windows_server_2012
windows_server_2016
windows_server_2022
windows_server_2025

CWE

CWE-285

Improper Authorization

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