What is GHSA-wqvg-7243-2q7j?

GHSA-wqvg-7243-2q7j is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate...

Which CVE IDs does GHSA-wqvg-7243-2q7j cover?

GHSA-wqvg-7243-2q7j covers the following CVE IDs: CVE-2026-70583. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-wqvg-7243-2q7j?

GHSA-wqvg-7243-2q7j has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-wqvg-7243-2q7jHighCVSS 7.8

Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-70583 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-70583
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70583
https://github.com/advisories/GHSA-wqvg-7243-2q7j