Out-of-Bounds Write Vulnerability in NVIDIA Virtual GPU Manager for Linux
CVE-2026-47503

7.8HIGH

Key Information:

Vendor

Nvidia
Status
Virtual Gpu Manager
Vendor
CVE Published:
30 September 2026

What is CVE-2026-47503?

The NVIDIA GPU Display Driver for Linux features a vulnerability in its Virtual GPU Manager, specifically within the vGPU plugin. This flaw allows a guest VM user to exploit an out-of-bounds write vulnerability by sending a maliciously crafted RPC message with improperly sized performance state list parameters. If successfully exploited, this vulnerability could enable arbitrary code execution, facilitate privilege escalation, allow data tampering, lead to denial of service, and potentially result in unauthorized information disclosure.

Affected Version(s)

Virtual GPU Manager Azure Local, Windows Server(vGPU 19) 582.51(All versions prior to and including vGPU 19.5)

Virtual GPU Manager Azure Local, Windows Server(vGPU 20) 596.38(All versions prior to and including vGPU 20.1)

Virtual GPU Manager XenServer, VMware vSphere, Red Hat Enterprise Linux KVM, Ubuntu(vGPU 19) 580.159.01(All versions prior to and including vGPU 19.5)

References

https://nvd.nist.gov/vuln/detail/CVE-2026-47503
https://www.cve.org/CVERecord?id=CVE-2026-47503
https://github.com/NVIDIA/product-security/tree/main/2026...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.