What is GHSA-f9q9-929x-9w5c?

GHSA-f9q9-929x-9w5c is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate...

Which CVE IDs does GHSA-f9q9-929x-9w5c cover?

GHSA-f9q9-929x-9w5c covers the following CVE IDs: CVE-2026-69509. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f9q9-929x-9w5c?

GHSA-f9q9-929x-9w5c has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-f9q9-929x-9w5cHighCVSS 7.8

Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-69509 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-69509
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69509
https://github.com/advisories/GHSA-f9q9-929x-9w5c