What is GHSA-2h9c-p959-263w?

GHSA-2h9c-p959-263w is a security advisory published by GitHub Security Advisories with High severity. Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.

Which CVE IDs does GHSA-2h9c-p959-263w cover?

GHSA-2h9c-p959-263w covers the following CVE IDs: CVE-2026-50399. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2h9c-p959-263w?

GHSA-2h9c-p959-263w has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-2h9c-p959-263wHighCVSS 7.8

Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-50399 →

📋 Description

Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50399
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50399
https://github.com/advisories/GHSA-2h9c-p959-263w