What is GHSA-2q4x-w73p-vjf4?

GHSA-2q4x-w73p-vjf4 is a security advisory published by GitHub Security Advisories with High severity. Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges...

Which CVE IDs does GHSA-2q4x-w73p-vjf4 cover?

GHSA-2q4x-w73p-vjf4 covers the following CVE IDs: CVE-2026-85921. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2q4x-w73p-vjf4?

GHSA-2q4x-w73p-vjf4 has a CVSS v3 base score of 8.2, published by GitHub Security Advisories.

GHSA-2q4x-w73p-vjf4HighCVSS 8.2

Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges...

Vendor

GitHub Security Advisories

Published

September 14, 2026

Last Modified

September 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-85921 →

📋 Description

Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-85921
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85921
https://github.com/advisories/GHSA-2q4x-w73p-vjf4