CVE-2026-47493 Missing authorization in Virtual GPU Manager
Guest VMs can access unauthorized host GPU resources, leading to code execution, privilege escalation, and data compromise in NVIDIA vGPU environments.
- 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-2026-47493?
CVE-2026-47493 is a high-severity missing authorization vulnerability in NVIDIA Virtual GPU Manager, published on 30 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure.
Weakness: CWE-862
Which versions are affected by CVE-2026-47493?
How do I fix CVE-2026-47493?
No fix has been published for CVE-2026-47493 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-47493 being exploited?
There is no known exploitation of CVE-2026-47493 in the wild and no public exploit code.
Sources
Also known as GHSA-ww86-6vwv-8469.