CVE-2025-21218

Windows Kerberos Denial of Service Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
microsoftCNA
7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
VendorProductVersion
microsoftwindows_server_2012
-
microsoftwindows_server_2016
𝑥
< 10.0.14393.7699
microsoftwindows_server_2019
𝑥
< 10.0.17763.6775
microsoftwindows_server_2022
𝑥
< 10.0.20348.3091
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1369
microsoftwindows_server_2025
𝑥
< 10.0.26100.2894
𝑥
= Vulnerable software versions