What is GHSA-w4v5-wpvp-4gfm?

GHSA-w4v5-wpvp-4gfm is a security advisory published by GitHub Security Advisories with High severity. Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute...

Which CVE IDs does GHSA-w4v5-wpvp-4gfm cover?

GHSA-w4v5-wpvp-4gfm covers the following CVE IDs: CVE-2026-81953. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w4v5-wpvp-4gfm?

GHSA-w4v5-wpvp-4gfm has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-w4v5-wpvp-4gfmHighCVSS 7.8

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-81953 →

📋 Description

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-81953
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81953
https://github.com/advisories/GHSA-w4v5-wpvp-4gfm