CVE-2026-47521: NVIDIA vGPU Virtual GPU Manager out-of-bounds read in kernel mode

CVE-2026-47521 · Severity: high · CVSS 7.8 · Published 2026-09-30

NVIDIA's vGPU Virtual GPU Manager for Linux contains an out-of-bounds read vulnerability in its kernel mode layer that could allow an attacker to read memory beyond intended boundaries. Successful exploitation could lead to information disclosure, denial of service, privilege escalation, or potentially arbitrary code execution on systems running the affected virtual GPU management software.

Technologies: Nvidia vGPU Virtual GPU Manager. Vendors: Nvidia.

Quick answers

Is CVE-2026-47521 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-47521 being exploited in the wild.
How severe is CVE-2026-47521?
High severity, with a CVSS score of 7.8, published 30 September 2026.
Which products and versions are affected?
Nvidia vGPU Virtual GPU Manager <UNKNOWN>.
Is there a fix for CVE-2026-47521?
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-2026-47521 attacked?
It is attacked with local access or over the network, in device firmware.
Am I affected by CVE-2026-47521?
Check whether you run Nvidia vGPU Virtual GPU Manager at an affected version. 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 read in the kernel mode layer of vGPU Virtual GPU Manager for Linux, allowing unauthorized memory access. An attacker with local or network access can trigger the condition to read kernel memory, potentially leading to privilege escalation, code execution, or denial of service. The reported CVSS score of 7.8 reflects the high-impact nature of potential exploitation outcomes.

Affected products

  • NVIDIA vGPU Virtual GPU Manager <UNKNOWN>

Timeline

  • 2026-09-30: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.