What is GHSA-67mx-4qr8-qq4c?

GHSA-67mx-4qr8-qq4c is a security advisory published by GitHub Security Advisories with High severity. Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code...

Which CVE IDs does GHSA-67mx-4qr8-qq4c cover?

GHSA-67mx-4qr8-qq4c covers the following CVE IDs: CVE-2026-66315. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-67mx-4qr8-qq4c?

GHSA-67mx-4qr8-qq4c has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-67mx-4qr8-qq4cHighCVSS 7.5

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code...

Vendor

GitHub Security Advisories

Published

August 4, 2026

Last Modified

August 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-66315 →

📋 Description

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-66315
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66315
https://github.com/advisories/GHSA-67mx-4qr8-qq4c