What is GHSA-h5vr-v3jc-45hj?

GHSA-h5vr-v3jc-45hj is a security advisory published by GitHub Security Advisories with High severity. Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an...

Which CVE IDs does GHSA-h5vr-v3jc-45hj cover?

GHSA-h5vr-v3jc-45hj covers the following CVE IDs: CVE-2026-78464. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h5vr-v3jc-45hj?

GHSA-h5vr-v3jc-45hj has a CVSS v3 base score of 7.0, published by GitHub Security Advisories.

GHSA-h5vr-v3jc-45hjHighCVSS 7.0

Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-78464 →

📋 Description

Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-78464
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78464
https://github.com/advisories/GHSA-h5vr-v3jc-45hj