What is GHSA-v4hp-j4fc-x9fp?

GHSA-v4hp-j4fc-x9fp is a security advisory published by GitHub Security Advisories with High severity. Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an...

Which CVE IDs does GHSA-v4hp-j4fc-x9fp cover?

GHSA-v4hp-j4fc-x9fp covers the following CVE IDs: CVE-2026-50428. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v4hp-j4fc-x9fp?

GHSA-v4hp-j4fc-x9fp has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-v4hp-j4fc-x9fpHighCVSS 7.1

Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-50428 →

📋 Description

Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50428
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50428
https://github.com/advisories/GHSA-v4hp-j4fc-x9fp