What is GHSA-ggf5-x436-r699?

GHSA-ggf5-x436-r699 is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges...

Which CVE IDs does GHSA-ggf5-x436-r699 cover?

GHSA-ggf5-x436-r699 covers the following CVE IDs: CVE-2026-50489. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-ggf5-x436-r699?

GHSA-ggf5-x436-r699 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-ggf5-x436-r699HighCVSS 8.8

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-50489 →

📋 Description

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50489
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50489
https://github.com/advisories/GHSA-ggf5-x436-r699