What is CVE-2023-0186?

CVE-2023-0186 is a medium-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Write. CVSS score: 6.1/10. Published 2023-04-01.

How severe is CVE-2023-0186?

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

Buffer overflow in Microsoft Windows

CVE-2023-0186

NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer, where an out-of-bounds write can lead to denial of service and data tampering.

Vulnerability class: Buffer Overflow

Published 2023-04-01 · 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: 0.002 (6.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Microsoft Windows
NVIDIA Vgpu Software (Guest Driver - Windows), Cloud Gaming Windows) — versions All versions prior to and including 15.1, 13.6, 11.11, and all versions prior to and including February 2023 release
NVIDIA Virtual GPU

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

nvidia.custhelp.com/app/answers/detail/a_id/5452 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-0186?: CVE-2023-0186 is a medium-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Write. CVSS score: 6.1/10. Published 2023-04-01.
How severe is CVE-2023-0186?: Medium severity. CVSS v3 base score is 6.1 out of 10.