What is GHSA-6c9r-xm7h-6x3f?

GHSA-6c9r-xm7h-6x3f is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows COM+ Event System Service allows an authorized attacker to...

Which CVE IDs does GHSA-6c9r-xm7h-6x3f cover?

GHSA-6c9r-xm7h-6x3f covers the following CVE IDs: CVE-2026-83830. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6c9r-xm7h-6x3f?

GHSA-6c9r-xm7h-6x3f has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-6c9r-xm7h-6x3fHighCVSS 7.8

Heap-based buffer overflow in Windows COM+ Event System Service allows an authorized attacker to...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83830 →

📋 Description

Heap-based buffer overflow in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83830
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83830
https://github.com/advisories/GHSA-6c9r-xm7h-6x3f