CVE-2026-47493
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Privilege Escalation in NVIDIA vGPU Software

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: NVIDIA Corporation

Description
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure.

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-47493
EUVD
EUVD-2026-90185

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
nvidia vgpu *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

NVIDIA vGPU software has a flaw in the GPU kernel driver where a guest user can access restricted host GPU resources without authorization. This could allow unauthorized actions like executing code, modifying data, or disrupting services.

Detection Guidance

Detection requires checking NVIDIA vGPU software versions and GPU driver configurations. Use commands like 'nvidia-smi -q' on Linux or 'nvidia-smi.exe -q' on Windows to inspect driver versions. Compare installed versions against NVIDIA's security advisories for CVE-2026-47493.

Impact Analysis

If exploited, this vulnerability may lead to code execution, privilege escalation, data tampering, denial of service, or information disclosure on affected systems using NVIDIA vGPU software.

Mitigation Strategies

Apply the latest security patches from NVIDIA for vGPU software and GPU drivers. Disable vGPU functionality if not required. Restrict guest access to GPU resources and monitor for suspicious activity. Follow NVIDIA's official mitigation guidelines.

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