What is CVE-2023-31020?

CVE-2023-31020 is a medium-severity vulnerability in Microsoft Windows, classified under Improper Access Control. CVSS score: 6.1/10. Published 2023-11-02.

How severe is CVE-2023-31020?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Microsoft Windows

CVE-2023-31020

NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer, where an unprivileged regular user can cause improper access control, which may lead to denial of service or data tampering.

Published 2023-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Microsoft Windows
NVIDIA GPU Display Driver, Vgpu And Cloud Gaming Driver — versions All versions prior to and including 13.8, 15.3, 16.1 and all versions prior to and including September 2023 release
NVIDIA Virtual GPU

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

nvidia.custhelp.com/app/answers/detail/a_id/5491 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-31020?: CVE-2023-31020 is a medium-severity vulnerability in Microsoft Windows, classified under Improper Access Control. CVSS score: 6.1/10. Published 2023-11-02.
How severe is CVE-2023-31020?: Medium severity. CVSS v3 base score is 6.1 out of 10.