Out-of-bounds Read in NVIDIA Guest Driver

CVE-2026-47520

NVIDIA vGPU Virtual GPU Manager for Linux contains a vulnerability in the kernel mode layer where an attacker could cause an out-of-bounds read. A successful exploit of this vulnerability might lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.

Vulnerability class: Buffer Overflow

Published · last modified .

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 Guest Driver — versions 580.159.03(All versions prior to and including vGPU 19.5), 582.53(All versions prior to and including vGPU 19.5), 595.71.05(All versions prior to and including vGPU 20.1)
  • 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)

References

Frequently asked questions

What is CVE-2026-47520?
CVE-2026-47520 is a high-severity vulnerability in NVIDIA Guest Driver, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-09-30.
How severe is CVE-2026-47520?
High severity. CVSS v3 base score is 7.8 out of 10.