What is GHSA-4rvc-f57j-w38h?

GHSA-4rvc-f57j-w38h is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized...

Which CVE IDs does GHSA-4rvc-f57j-w38h cover?

GHSA-4rvc-f57j-w38h covers the following CVE IDs: CVE-2026-54992. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4rvc-f57j-w38h?

GHSA-4rvc-f57j-w38h has a CVSS v3 base score of 8.4, published by GitHub Security Advisories.

GHSA-4rvc-f57j-w38hHighCVSS 8.4

Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-54992 →

📋 Description

Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-54992
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54992
https://github.com/advisories/GHSA-4rvc-f57j-w38h