CVE-2026-47591 Auth bypass in GeForce
Unprivileged users can bypass read-only memory protection in the NVIDIA Linux GPU driver kernel mode layer, leading to code execution and privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47591?
CVE-2026-47591 is a high-severity authentication bypass vulnerability in NVIDIA GeForce, 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 GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where an unprivileged user could bypass read-only memory protection due to incorrect authorization, enabling write access to memory marked read-only. A successful exploit of this vulnerability might lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.
Weakness: CWE-863
Which versions are affected by CVE-2026-47591?
How do I fix CVE-2026-47591?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-47591 being exploited?
There is no known exploitation of CVE-2026-47591 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-47591, GHSA-2583-6prr-j5g9, UBUNTU-CVE-2026-47591.