What is GHSA-gh84-vhg8-4mc3?

GHSA-gh84-vhg8-4mc3 is a security advisory published by GitHub Security Advisories with High severity. Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Which CVE IDs does GHSA-gh84-vhg8-4mc3 cover?

GHSA-gh84-vhg8-4mc3 covers the following CVE IDs: CVE-2026-40409. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-gh84-vhg8-4mc3?

GHSA-gh84-vhg8-4mc3 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-gh84-vhg8-4mc3HighCVSS 7.8

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-40409 →

📋 Description

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-40409
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40409
https://github.com/advisories/GHSA-gh84-vhg8-4mc3