What is GHSA-cw5m-j449-89h4?

GHSA-cw5m-j449-89h4 is a security advisory published by GitHub Security Advisories with High severity. Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute...

Which CVE IDs does GHSA-cw5m-j449-89h4 cover?

GHSA-cw5m-j449-89h4 covers the following CVE IDs: CVE-2026-83891. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cw5m-j449-89h4?

GHSA-cw5m-j449-89h4 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-cw5m-j449-89h4HighCVSS 8.8

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

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83891 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83891
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83891
https://github.com/advisories/GHSA-cw5m-j449-89h4