What is GHSA-gc6f-jf56-4wxq?

GHSA-gc6f-jf56-4wxq is a security advisory published by GitHub Security Advisories with High severity. Reliance on untrusted inputs in a security decision in Microsoft Exchange Server allows an...

Which CVE IDs does GHSA-gc6f-jf56-4wxq cover?

GHSA-gc6f-jf56-4wxq covers the following CVE IDs: CVE-2026-118154. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-gc6f-jf56-4wxq?

GHSA-gc6f-jf56-4wxq has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-gc6f-jf56-4wxqHighCVSS 8.8

Reliance on untrusted inputs in a security decision in Microsoft Exchange Server allows an...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-118154 →

📋 Description

Reliance on untrusted inputs in a security decision in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-118154
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118154
https://github.com/advisories/GHSA-gc6f-jf56-4wxq