Quick answers
- Is CVE-2026-47503 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-47503 being exploited in the wild.
- How severe is CVE-2026-47503?
- High severity, with a CVSS score of 7.8, published 30 September 2026.
- Which products and versions are affected?
- NVIDIA GPU Display Driver for Linux.
- Is there a fix for CVE-2026-47503?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-47503 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-47503?
- Check whether you run Nvidia GPU Display Driver for Linux. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an out-of-bounds write in the Virtual GPU Manager's RPC message handler, triggered by crafted messages with invalid performance state list size parameters. Attack requires local access from a guest VM user; successful exploitation could lead to arbitrary code execution with hypervisor privileges, allowing compromise of the host or other guest VMs.
Affected products
- NVIDIA GPU Display Driver for Linux
Timeline
- 2026-09-30: disclosed