What is GHSA-p83h-w63g-r43h?

GHSA-p83h-w63g-r43h is a security advisory published by GitHub Security Advisories with High severity. Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

Which CVE IDs does GHSA-p83h-w63g-r43h cover?

GHSA-p83h-w63g-r43h covers the following CVE IDs: CVE-2026-50490. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p83h-w63g-r43h?

GHSA-p83h-w63g-r43h has a CVSS v3 base score of 7.0, published by GitHub Security Advisories.

GHSA-p83h-w63g-r43hHighCVSS 7.0

Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-50490 →

📋 Description

Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50490
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50490
https://github.com/advisories/GHSA-p83h-w63g-r43h