What is GHSA-p436-qch3-9m59?

GHSA-p436-qch3-9m59 is a security advisory published by GitHub Security Advisories with High severity. Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows...

Which CVE IDs does GHSA-p436-qch3-9m59 cover?

GHSA-p436-qch3-9m59 covers the following CVE IDs: CVE-2026-56155. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p436-qch3-9m59?

GHSA-p436-qch3-9m59 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-p436-qch3-9m59HighCVSS 7.8

Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-56155 →

📋 Description

Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-56155
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56155
https://github.com/advisories/GHSA-p436-qch3-9m59