What is GHSA-mpf5-fg2g-h5xp?

GHSA-mpf5-fg2g-h5xp is a security advisory published by GitHub Security Advisories with High severity. Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

Which CVE IDs does GHSA-mpf5-fg2g-h5xp cover?

GHSA-mpf5-fg2g-h5xp covers the following CVE IDs: CVE-2026-77504. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mpf5-fg2g-h5xp?

GHSA-mpf5-fg2g-h5xp has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-mpf5-fg2g-h5xpHighCVSS 8.8

Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-77504 →

📋 Description

Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-77504
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77504
https://github.com/advisories/GHSA-mpf5-fg2g-h5xp