CVE-2025-41226 Guest Operations Denial-of-Service Vulnerability
Authenticated attackers with guest operation privileges can cause denial of service on VMs with VMware Tools enabled.
- 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-2025-41226?
CVE-2025-41226 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 contains a denial-of-service vulnerability that occurs when performing a guest operation. A malicious actor with guest operation privileges on a VM, who is already authenticated through vCenter Server or ESXi may trigger this issue to create a denial-of-service condition of guest VMs with VMware Tools running and guest operations enabled.
Weakness: CWE-400
Which versions are affected by CVE-2025-41226?
How do I fix CVE-2025-41226?
No fix has been published for CVE-2025-41226 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-2025-41226 being exploited?
There is no known exploitation of CVE-2025-41226 in the wild and no public exploit code.
Sources
Also known as GHSA-jfjv-vw9w-9w8v.