CVE-2025-29968 Active Directory Certificate Services (AD CS) Denial of Service Vulnerability
An authorized attacker can cause a denial of service in Active Directory Certificate Services due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-29968?
CVE-2025-29968 is a medium-severity denial of service vulnerability in Microsoft Windows Server 2008, published on 13 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.
Weakness: CWE-20
Which versions are affected by CVE-2025-29968?
It affects 6 products.
Products include Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2.
How do I fix CVE-2025-29968?
No fix has been published for CVE-2025-29968 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-29968 being exploited?
There is no known exploitation of CVE-2025-29968 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2008
Sources
Also known as GHSA-xvfx-x2hm-pgf5.