What is GHSA-jjhm-qqfx-22xc?

GHSA-jjhm-qqfx-22xc is a security advisory published by GitHub Security Advisories with Medium severity. Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose...

Which CVE IDs does GHSA-jjhm-qqfx-22xc cover?

GHSA-jjhm-qqfx-22xc covers the following CVE IDs: CVE-2026-66810. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jjhm-qqfx-22xc?

GHSA-jjhm-qqfx-22xc has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-jjhm-qqfx-22xcMediumCVSS 5.5

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose...

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-66810 →

📋 Description

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-66810
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66810
https://github.com/advisories/GHSA-jjhm-qqfx-22xc