What is GHSA-cfmr-fm5g-6ffw?

GHSA-cfmr-fm5g-6ffw is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges...

Which CVE IDs does GHSA-cfmr-fm5g-6ffw cover?

GHSA-cfmr-fm5g-6ffw covers the following CVE IDs: CVE-2026-50477. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cfmr-fm5g-6ffw?

GHSA-cfmr-fm5g-6ffw has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-cfmr-fm5g-6ffwHighCVSS 8.8

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

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-50477 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50477
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50477
https://github.com/advisories/GHSA-cfmr-fm5g-6ffw