What is GHSA-q5ph-8xwx-3hvh?

GHSA-q5ph-8xwx-3hvh is a security advisory published by GitHub Security Advisories with High severity. Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate...

Which CVE IDs does GHSA-q5ph-8xwx-3hvh cover?

GHSA-q5ph-8xwx-3hvh covers the following CVE IDs: CVE-2026-123391. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q5ph-8xwx-3hvh?

GHSA-q5ph-8xwx-3hvh has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-q5ph-8xwx-3hvhHighCVSS 8.8

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-123391 →

📋 Description

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-123391
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-123391
https://github.com/advisories/GHSA-q5ph-8xwx-3hvh