CVE-2025-21218

published 2025-01-14

CVE-2025-21218: Windows Kerberos Denial of Service Vulnerability Windows Kerberos Denial of Service Vulnerability

high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

Windows Kerberos Denial of Service Vulnerability

Windows Kerberos Denial of Service Vulnerability

Affected

13 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_server_2012	>= 6.2.9200.0 < 6.2.9200.25273	6.2.9200.25273
microsoft	windows_server_2012_r2	>= 6.3.9600.0 < 6.3.9600.22371	6.3.9600.22371
microsoft	windows_server_2016	>= 10.0.14393.0 < 10.0.14393.7699	10.0.14393.7699
microsoft	windows_server_2019	>= 10.0.17763.0 < 10.0.17763.6775	10.0.17763.6775
microsoft	windows_server_2022	>= 10.0.20348.0 < 10.0.20348.3091	10.0.20348.3091
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.2894	10.0.26100.2894
msrc	windows_server_2012	—	—
msrc	windows_server_2012_r2	—	—
msrc	windows_server_2016	—	—
msrc	windows_server_2019	—	—
msrc	windows_server_2022	—	—
msrc	windows_server_2022_23h2_edition	—	—
msrc	windows_server_2025	—	—

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

cvelistv5 7.5 HIGH

vendor_msrc 7.5 HIGH

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CWE-400