What is GHSA-45g4-6rcm-wmwg?

GHSA-45g4-6rcm-wmwg is a security advisory published by GitHub Security Advisories with High severity. Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

Which CVE IDs does GHSA-45g4-6rcm-wmwg cover?

GHSA-45g4-6rcm-wmwg covers the following CVE IDs: CVE-2026-77503. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-45g4-6rcm-wmwg?

GHSA-45g4-6rcm-wmwg has a CVSS v3 base score of 8.4, published by GitHub Security Advisories.

GHSA-45g4-6rcm-wmwgHighCVSS 8.4

Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-77503 →

📋 Description

Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-77503
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77503
https://github.com/advisories/GHSA-45g4-6rcm-wmwg