What is CVE-2018-6266?

CVE-2018-6266 is a medium-severity vulnerability in Microsoft Windows, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-11-27.

How severe is CVE-2018-6266?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Microsoft Windows

CVE-2018-6266

NVIDIA GeForce Experience contains a vulnerability in all versions prior to 3.16 on Windows where a local user may obtain third party integration parameters, which may lead to information disclosure.

Vulnerability class: Information Disclosure

Published 2018-11-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Microsoft Windows
NVIDIA Geforce Experience
NVIDIA Corporation Geforce Experience — versions 3.16

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

nvidia.custhelp.com/app/answers/detail/a_id/4740 (Patch, Vendor Advisory)
support.lenovo.com/us/en/product_security/LEN-25444

Frequently asked questions

What is CVE-2018-6266?: CVE-2018-6266 is a medium-severity vulnerability in Microsoft Windows, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-11-27.
How severe is CVE-2018-6266?: Medium severity. CVSS v3 base score is 5.5 out of 10.