What is GHSA-r9hj-r83f-6m9v?

GHSA-r9hj-r83f-6m9v 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-r9hj-r83f-6m9v cover?

GHSA-r9hj-r83f-6m9v covers the following CVE IDs: CVE-2026-118704. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r9hj-r83f-6m9v?

GHSA-r9hj-r83f-6m9v has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-r9hj-r83f-6m9vHighCVSS 8.8

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

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-118704 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-118704
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118704
https://github.com/advisories/GHSA-r9hj-r83f-6m9v