What is GHSA-mm3h-8x78-xh5v?

GHSA-mm3h-8x78-xh5v is a security advisory published by GitHub Security Advisories with High severity. Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code...

Which CVE IDs does GHSA-mm3h-8x78-xh5v cover?

GHSA-mm3h-8x78-xh5v covers the following CVE IDs: CVE-2026-85890. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mm3h-8x78-xh5v?

GHSA-mm3h-8x78-xh5v has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-mm3h-8x78-xh5vHighCVSS 8.8

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

Vendor

GitHub Security Advisories

Published

October 29, 2026

Last Modified

October 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-85890 →

📋 Description

Double 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-2026-85890
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85890
https://github.com/advisories/GHSA-mm3h-8x78-xh5v