What is GHSA-2xm7-6xcv-jfx8?

GHSA-2xm7-6xcv-jfx8 is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code...

Which CVE IDs does GHSA-2xm7-6xcv-jfx8 cover?

GHSA-2xm7-6xcv-jfx8 covers the following CVE IDs: CVE-2026-63513. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2xm7-6xcv-jfx8?

GHSA-2xm7-6xcv-jfx8 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-2xm7-6xcv-jfx8HighCVSS 7.8

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code...

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-63513 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-63513
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63513
https://github.com/advisories/GHSA-2xm7-6xcv-jfx8