CVE-2025-26647

HIGH

8.8

Description

Improper input validation in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/8/2025

Last Modified2/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:windows_server_2008microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019microsoft:windows_server_2022microsoft:windows_server_2022_23h2microsoft:windows_server_2025

Weaknesses (CWE)

CWE-20

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26647(secure@microsoft.com)

IOC Correlations

No correlations recorded

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