---
title: "CVE-2026-47503: NVIDIA GPU Display Driver for Linux - Buffer Overflow"
description: "NVIDIA GPU Display Driver for Linux contains a buffer overflow caused by crafted RPC message with invalid performance state list size parameters in Virtual GPU Manager, letting guest VM users execute code, escalate privileges, tamper data, cause DoS, and disclose information, exploit requires guest VM access."
url: https://panop.io/threat-heartbeat/CVE-2026-47503/
---

# CVE-2026-47503 NVIDIA GPU Display Driver for Linux - Buffer Overflow

NVIDIA GPU Display Driver for Linux contains a buffer overflow caused by crafted RPC message with invalid performance state list size parameters in Virtual GPU Manager, letting guest VM users execute code, escalate privileges, tamper data, cause DoS, and disclose information, exploit requires guest VM access.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.13% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-47503)

## Details

Type

Buffer Overflow

Impact

Remote Code Execution, Privilege Escalation, Data Tampering, Denial Of Service, Information Disclosure

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

30 September 2026

Updated

15 October 2026

Weakness

[CWE-787](https://cwe.mitre.org/data/definitions/787.html)

## Vendor fix

Update to the latest version of NVIDIA GPU Display Driver for Linux.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-47503](https://nvd.nist.gov/vuln/detail/CVE-2026-47503)
- [https://www.cve.org/CVERecord?id=CVE-2026-47503](https://www.cve.org/CVERecord?id=CVE-2026-47503)
- [https://github.com/NVIDIA/product-security/tree/main/2026/5861](https://github.com/NVIDIA/product-security/tree/main/2026/5861)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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