What is GHSA-3f78-xrf3-9xc8?

GHSA-3f78-xrf3-9xc8 is a security advisory published by GitHub Security Advisories with Critical severity. Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate...

Which CVE IDs does GHSA-3f78-xrf3-9xc8 cover?

GHSA-3f78-xrf3-9xc8 covers the following CVE IDs: CVE-2026-42904. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3f78-xrf3-9xc8?

GHSA-3f78-xrf3-9xc8 has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-3f78-xrf3-9xc8CriticalCVSS 9.6

Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-42904 →

📋 Description

Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-42904
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42904
https://github.com/advisories/GHSA-3f78-xrf3-9xc8