What is GHSA-9823-h4m8-w7cq?

GHSA-9823-h4m8-w7cq is a security advisory published by GitHub Security Advisories with High severity. Use of client-side authentication in Skype for Business allows an authorized attacker to perform...

Which CVE IDs does GHSA-9823-h4m8-w7cq cover?

GHSA-9823-h4m8-w7cq covers the following CVE IDs: CVE-2026-66305. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9823-h4m8-w7cq?

GHSA-9823-h4m8-w7cq has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-9823-h4m8-w7cqHighCVSS 7.1

Use of client-side authentication in Skype for Business allows an authorized attacker to perform...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-66305 →

📋 Description

Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-66305
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66305
https://github.com/advisories/GHSA-9823-h4m8-w7cq