What is GHSA-g33w-869h-j9q5?

GHSA-g33w-869h-j9q5 is a security advisory published by GitHub Security Advisories with High severity. Integer underflow (wrap or wraparound) in Windows Installer allows an authorized attacker to...

Which CVE IDs does GHSA-g33w-869h-j9q5 cover?

GHSA-g33w-869h-j9q5 covers the following CVE IDs: CVE-2026-83676. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g33w-869h-j9q5?

GHSA-g33w-869h-j9q5 has a CVSS v3 base score of 7.0, published by GitHub Security Advisories.

GHSA-g33w-869h-j9q5HighCVSS 7.0

Integer underflow (wrap or wraparound) in Windows Installer allows an authorized attacker to...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83676 →

📋 Description

Integer underflow (wrap or wraparound) in Windows Installer allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83676
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83676
https://github.com/advisories/GHSA-g33w-869h-j9q5