What is GHSA-c7rx-c2q4-m77r?

GHSA-c7rx-c2q4-m77r is a security advisory published by GitHub Security Advisories with Medium severity. Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate...

Which CVE IDs does GHSA-c7rx-c2q4-m77r cover?

GHSA-c7rx-c2q4-m77r covers the following CVE IDs: CVE-2026-71339. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c7rx-c2q4-m77r?

GHSA-c7rx-c2q4-m77r has a CVSS v3 base score of 6.7, published by GitHub Security Advisories.

GHSA-c7rx-c2q4-m77rMediumCVSS 6.7

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

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-71339 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-71339
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71339
https://github.com/advisories/GHSA-c7rx-c2q4-m77r