What is GHSA-ffx4-j7rp-63h8?

GHSA-ffx4-j7rp-63h8 is a security advisory published by GitHub Security Advisories with High severity. Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Which CVE IDs does GHSA-ffx4-j7rp-63h8 cover?

GHSA-ffx4-j7rp-63h8 covers the following CVE IDs: CVE-2026-81950. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-ffx4-j7rp-63h8?

GHSA-ffx4-j7rp-63h8 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-ffx4-j7rp-63h8HighCVSS 7.8

Double 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-2026-81950 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-81950
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81950
https://github.com/advisories/GHSA-ffx4-j7rp-63h8