What is GHSA-c65x-7666-g6wv?

GHSA-c65x-7666-g6wv is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an...

Which CVE IDs does GHSA-c65x-7666-g6wv cover?

GHSA-c65x-7666-g6wv covers the following CVE IDs: CVE-2026-123388. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c65x-7666-g6wv?

GHSA-c65x-7666-g6wv has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-c65x-7666-g6wvHighCVSS 7.8

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-123388 →

📋 Description

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-123388
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-123388
https://github.com/advisories/GHSA-c65x-7666-g6wv