What is GHSA-4687-365c-pphp?

GHSA-4687-365c-pphp is a security advisory published by GitHub Security Advisories with High severity. Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate...

Which CVE IDs does GHSA-4687-365c-pphp cover?

GHSA-4687-365c-pphp covers the following CVE IDs: CVE-2026-88198. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4687-365c-pphp?

GHSA-4687-365c-pphp has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-4687-365c-pphpHighCVSS 8.8

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

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-88198 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-88198
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88198
https://github.com/advisories/GHSA-4687-365c-pphp