What is GHSA-m293-66rr-7hmg?

GHSA-m293-66rr-7hmg is a security advisory published by GitHub Security Advisories with Critical severity. Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

Which CVE IDs does GHSA-m293-66rr-7hmg cover?

GHSA-m293-66rr-7hmg covers the following CVE IDs: CVE-2026-49798. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m293-66rr-7hmg?

GHSA-m293-66rr-7hmg has a CVSS v3 base score of 9.3, published by GitHub Security Advisories.

GHSA-m293-66rr-7hmgCriticalCVSS 9.3

Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-49798 →

📋 Description

Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-49798
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49798
https://github.com/advisories/GHSA-m293-66rr-7hmg