What is GHSA-xfxq-cr26-x4w9?

GHSA-xfxq-cr26-x4w9 is a security advisory published by GitHub Security Advisories with High severity. Use after free in Windows Ancillary Function Driver for WinSock allows an unauthorized attacker...

Which CVE IDs does GHSA-xfxq-cr26-x4w9 cover?

GHSA-xfxq-cr26-x4w9 covers the following CVE IDs: CVE-2026-70342. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xfxq-cr26-x4w9?

GHSA-xfxq-cr26-x4w9 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-xfxq-cr26-x4w9HighCVSS 8.1

Use after free in Windows Ancillary Function Driver for WinSock allows an unauthorized attacker...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-70342 →

📋 Description

Use after free in Windows Ancillary Function Driver for WinSock allows an unauthorized attacker to elevate privileges over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-70342
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70342
https://github.com/advisories/GHSA-xfxq-cr26-x4w9