What is GHSA-hjj2-64g6-jw5p?

GHSA-hjj2-64g6-jw5p is a security advisory published by GitHub Security Advisories with High severity. Improper neutralization of special elements used in a command ('command injection') in Microsoft...

Which CVE IDs does GHSA-hjj2-64g6-jw5p cover?

GHSA-hjj2-64g6-jw5p covers the following CVE IDs: CVE-2026-78501. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hjj2-64g6-jw5p?

GHSA-hjj2-64g6-jw5p has a CVSS v3 base score of 7.4, published by GitHub Security Advisories.

GHSA-hjj2-64g6-jw5pHighCVSS 7.4

Improper neutralization of special elements used in a command ('command injection') in Microsoft...

Vendor

GitHub Security Advisories

Published

September 18, 2026

Last Modified

September 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-78501 →

📋 Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-78501
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78501
https://github.com/advisories/GHSA-hjj2-64g6-jw5p