CVE-2025-29968
Active Directory Certificate Services (AD CS) Denial of Service Vulnerability
Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Active Directory Certificate Services (AD CS) Denial of Service Vulnerability
Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.
- Record
CVE-2025-29968- CVSS 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 - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2025-14469
Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.
- Record
EUVD-2025-14469- CVSS 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xvfx-x2hm-pgf5
Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized...
Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.
- Record
GHSA-xvfx-x2hm-pgf5- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.
- Record
CVE-2025-29968- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-29968 is a medium vulnerability (CVSS 6.5) in Microsoft Windows Server 2008 R2 Service Pack 1, published May 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.02%, the 81st percentile. No source names a fixed version.