What is GHSA-gmj3-jv2h-3mhj?

GHSA-gmj3-jv2h-3mhj is a security advisory published by GitHub Security Advisories with High severity. Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an...

Which CVE IDs does GHSA-gmj3-jv2h-3mhj cover?

GHSA-gmj3-jv2h-3mhj covers the following CVE IDs: CVE-2026-55024. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-gmj3-jv2h-3mhj?

GHSA-gmj3-jv2h-3mhj has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-gmj3-jv2h-3mhjHighCVSS 7.8

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-55024 →

📋 Description

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-55024
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55024
https://github.com/advisories/GHSA-gmj3-jv2h-3mhj