What is GHSA-v594-fc8g-fg3j?

GHSA-v594-fc8g-fg3j is a security advisory published by GitHub Security Advisories with Critical severity. Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

Which CVE IDs does GHSA-v594-fc8g-fg3j cover?

GHSA-v594-fc8g-fg3j covers the following CVE IDs: CVE-2021-26443. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v594-fc8g-fg3j?

GHSA-v594-fc8g-fg3j has a CVSS v3 base score of 9.0, published by GitHub Security Advisories.

GHSA-v594-fc8g-fg3jCriticalCVSS 9.0

Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

Vendor

GitHub Security Advisories

Published

May 24, 2022

Last Modified

August 19, 2026

🔗 CVE IDs covered (1)

CVE-2021-26443 →

📋 Description

Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-26443
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26443
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26443
https://github.com/advisories/GHSA-v594-fc8g-fg3j