What is GHSA-42vm-949c-g9f8?

GHSA-42vm-949c-g9f8 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 over a...

Which CVE IDs does GHSA-42vm-949c-g9f8 cover?

GHSA-42vm-949c-g9f8 covers the following CVE IDs: CVE-2026-118729. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-42vm-949c-g9f8?

GHSA-42vm-949c-g9f8 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-42vm-949c-g9f8HighCVSS 8.8

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

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-118729 →

📋 Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-118729
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118729
https://github.com/advisories/GHSA-42vm-949c-g9f8