CVE-2025-41227 Denial-of-Service Vulnerability
A malicious guest user can exhaust host memory to cause a denial-of-service condition in VMware virtualization products.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-41227?
CVE-2025-41227 is a medium-severity denial of service vulnerability in VMware Cloud Foundation, published on 20 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
VMware ESXi, Workstation, and Fusion contain a denial-of-service vulnerability due to certain guest options. A malicious actor with non-administrative privileges within a guest operating system may be able to exploit this issue by exhausting memory of the host process leading to a denial-of-service condition.
Weakness: CWE-400
Which versions are affected by CVE-2025-41227?
How do I fix CVE-2025-41227?
No fix has been published for CVE-2025-41227 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-2025-41227 being exploited?
There is no known exploitation of CVE-2025-41227 in the wild and no public exploit code.
Sources
Also known as GHSA-h593-cg7r-4hp4.