What is GHSA-qxx7-ww2p-mmxw?

GHSA-qxx7-ww2p-mmxw is a security advisory published by GitHub Security Advisories with High severity. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Which CVE IDs does GHSA-qxx7-ww2p-mmxw cover?

GHSA-qxx7-ww2p-mmxw covers the following CVE IDs: CVE-2026-81954. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qxx7-ww2p-mmxw?

GHSA-qxx7-ww2p-mmxw has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-qxx7-ww2p-mmxwHighCVSS 7.8

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-81954 →

📋 Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-81954
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81954
https://github.com/advisories/GHSA-qxx7-ww2p-mmxw