CVE-2025-26647

Improper input validation in Windows Kerberos allows an unauthorized attacker to elevate privileges over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
VendorProductVersion
microsoftwindows_server_2008
-
microsoftwindows_server_2008
-
microsoftwindows_server_2012
-
microsoftwindows_server_2016
𝑥
< 10.0.14393.7969
microsoftwindows_server_2019
𝑥
< 10.0.17763.7136
microsoftwindows_server_2022
𝑥
< 10.0.20348.3453
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1551
microsoftwindows_server_2025
𝑥
< 10.0.26100.3775
𝑥
= Vulnerable software versions