What is GHSA-grp5-mh23-v8jr?

GHSA-grp5-mh23-v8jr is a security advisory published by GitHub Security Advisories with High severity. Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker...

Which CVE IDs does GHSA-grp5-mh23-v8jr cover?

GHSA-grp5-mh23-v8jr covers the following CVE IDs: CVE-2026-44818. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-grp5-mh23-v8jr?

GHSA-grp5-mh23-v8jr has a CVSS v3 base score of 7.0, published by GitHub Security Advisories.

GHSA-grp5-mh23-v8jrHighCVSS 7.0

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-44818 →

📋 Description

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-44818
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44818
https://github.com/advisories/GHSA-grp5-mh23-v8jr