What is GHSA-66fp-4p5x-jc8w?

GHSA-66fp-4p5x-jc8w is a security advisory published by GitHub Security Advisories with High severity. Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to...

Which CVE IDs does GHSA-66fp-4p5x-jc8w cover?

GHSA-66fp-4p5x-jc8w covers the following CVE IDs: CVE-2026-69549. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-66fp-4p5x-jc8w?

GHSA-66fp-4p5x-jc8w has a CVSS v3 base score of 7.0, published by GitHub Security Advisories.

GHSA-66fp-4p5x-jc8wHighCVSS 7.0

Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-69549 →

📋 Description

Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-69549
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69549
https://github.com/advisories/GHSA-66fp-4p5x-jc8w