What is GHSA-4g5g-h777-w994?

GHSA-4g5g-h777-w994 is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to...

Which CVE IDs does GHSA-4g5g-h777-w994 cover?

GHSA-4g5g-h777-w994 covers the following CVE IDs: CVE-2026-105503. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4g5g-h777-w994?

GHSA-4g5g-h777-w994 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-4g5g-h777-w994HighCVSS 7.8

Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-105503 →

📋 Description

Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-105503
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105503
https://github.com/advisories/GHSA-4g5g-h777-w994