What is CVE-2026-47503?

CVE-2026-47503 is a high-severity vulnerability in NVIDIA Virtual GPU Manager, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-09-30.

How severe is CVE-2026-47503?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in NVIDIA Virtual GPU Manager

CVE-2026-47503

NVIDIA GPU Display Driver for Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a guest VM user may cause an out-of-bounds write by sending a crafted RPC message with invalid performance state list size parameters. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure.

Vulnerability class: Buffer Overflow

Published 2026-09-30 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

NVIDIA Virtual GPU Manager — versions 580.159.01(All versions prior to and including vGPU 19.5), 582.51(All versions prior to and including vGPU 19.5), 595.71.03(All versions prior to and including vGPU 20.1)

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

Frequently asked questions

What is CVE-2026-47503?: CVE-2026-47503 is a high-severity vulnerability in NVIDIA Virtual GPU Manager, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-09-30.
How severe is CVE-2026-47503?: High severity. CVSS v3 base score is 7.8 out of 10.