What is GHSA-3j6j-6h9p-2vrq?

GHSA-3j6j-6h9p-2vrq is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows...

Which CVE IDs does GHSA-3j6j-6h9p-2vrq cover?

GHSA-3j6j-6h9p-2vrq covers the following CVE IDs: CVE-2026-62772. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3j6j-6h9p-2vrq?

GHSA-3j6j-6h9p-2vrq has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-3j6j-6h9p-2vrqHighCVSS 7.8

Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows...

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-62772 →

📋 Description

Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-62772
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62772
https://github.com/advisories/GHSA-3j6j-6h9p-2vrq