CVE-2025-29968

Active Directory Certificate Services (AD CS) Denial of Service Vulnerability

State: Published
Severity: 6.5 Medium
Published: May 13, 2025
Updated: Feb 13, 2026
Reserved: Mar 12, 2025

Description

Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
Windows Server 2008 R2 Service Pack 1Microsoft	6.1.7601.0 to before 6.1.7601.27729Affected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft	6.1.7601.0 to before 6.1.7601.27729Affected
Windows Server 2008 Service Pack 2Microsoft	6.0.6003.0 to before 6.0.6003.23279Affected
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft	6.0.6003.0 to before 6.0.6003.23279Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.25475Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.25475Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.22577Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.22577Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.8066Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.8066Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.7314Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.7314Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.3692Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1611Affected

References

Active Directory Certificate Services (AD CS) Denial of Service Vulnerabilityvendor-advisorypatch

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