What is GHSA-2q33-cf8w-7q23?

GHSA-2q33-cf8w-7q23 is a security advisory published by GitHub Security Advisories with Critical severity. Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

Which CVE IDs does GHSA-2q33-cf8w-7q23 cover?

GHSA-2q33-cf8w-7q23 covers the following CVE IDs: CVE-2026-62815. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2q33-cf8w-7q23?

GHSA-2q33-cf8w-7q23 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-2q33-cf8w-7q23CriticalCVSS 9.8

Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-62815 →

📋 Description

Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-62815
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62815
https://github.com/advisories/GHSA-2q33-cf8w-7q23