What is GHSA-4qhx-4qq9-2pgx?

GHSA-4qhx-4qq9-2pgx is a security advisory published by GitHub Security Advisories with High severity. Use after free in Windows Filter Manager allows an authorized attacker to elevate privileges...

Which CVE IDs does GHSA-4qhx-4qq9-2pgx cover?

GHSA-4qhx-4qq9-2pgx covers the following CVE IDs: CVE-2026-121673. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4qhx-4qq9-2pgx?

GHSA-4qhx-4qq9-2pgx has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-4qhx-4qq9-2pgxHighCVSS 7.8

Use after free in Windows Filter Manager allows an authorized attacker to elevate privileges...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-121673 →

📋 Description

Use after free in Windows Filter Manager allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-121673
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-121673
https://github.com/advisories/GHSA-4qhx-4qq9-2pgx