What is GHSA-q2jw-79qw-q59g?

GHSA-q2jw-79qw-q59g is a security advisory published by GitHub Security Advisories with High severity. Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate...

Which CVE IDs does GHSA-q2jw-79qw-q59g cover?

GHSA-q2jw-79qw-q59g covers the following CVE IDs: CVE-2026-50400. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q2jw-79qw-q59g?

GHSA-q2jw-79qw-q59g has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-q2jw-79qw-q59gHighCVSS 7.8

Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-50400 →

📋 Description

Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50400
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50400
https://github.com/advisories/GHSA-q2jw-79qw-q59g