What is GHSA-2622-hwfw-h976?

GHSA-2622-hwfw-h976 is a security advisory published by GitHub Security Advisories with Critical severity. Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized...

Which CVE IDs does GHSA-2622-hwfw-h976 cover?

GHSA-2622-hwfw-h976 covers the following CVE IDs: CVE-2026-68839. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2622-hwfw-h976?

GHSA-2622-hwfw-h976 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-2622-hwfw-h976CriticalCVSS 9.8

Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-68839 →

📋 Description

Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-68839
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68839
https://github.com/advisories/GHSA-2622-hwfw-h976