What is GHSA-q866-xwxr-5453?

GHSA-q866-xwxr-5453 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-q866-xwxr-5453 cover?

GHSA-q866-xwxr-5453 covers the following CVE IDs: CVE-2026-80080. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q866-xwxr-5453?

GHSA-q866-xwxr-5453 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-q866-xwxr-5453HighCVSS 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-2026-80080 →

📋 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-2026-80080
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80080
https://github.com/advisories/GHSA-q866-xwxr-5453