CVE-2025-29968: Active Directory Certificate Services (AD CS) Denial of Service Vulnerability

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Category

Denial of Service

Exploit Status

Not Exploited

Exploitation Likelihood

Unlikely

Patch Tuesday

2025-May

Released

2025-05-13

EPSS Score

4.75% (percentile: 89.4%)

Description

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

Affected Products (17)

Windows

• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows Server 2022, 23H2 Edition (Server Core installation)
• Windows Server 2016
• Windows Server 2016 (Server Core installation)

ESU

• Windows Server 2008 for 32-bit Systems Service Pack 2
• Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
• Windows Server 2008 for x64-based Systems Service Pack 2
• Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
• Windows Server 2008 R2 for x64-based Systems Service Pack 1
• Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
• Windows Server 2012
• Windows Server 2012 (Server Core installation)
• Windows Server 2012 R2
• Windows Server 2012 R2 (Server Core installation)

Security Updates (11)

• 5058392
• 5058385
• 5058500
• 5058384
• 5058383
• 5058449
• 5058429
• 5058430
• 5058454
• 5058451
• 5058403

Acknowledgments

Anonymous

Revision History

• 2025-05-13: Information published.