What is CVE-2026-42895?

CVE-2026-42895 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Microsoft Copilot Tampering Vulnerability

Which CVE IDs does CVE-2026-42895 cover?

CVE-2026-42895 covers the following CVE IDs: CVE-2026-42895. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42895?

CVE-2026-42895 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-42895CriticalCVSS 6.5

Microsoft Copilot Tampering Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 19, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-42895 →

🔗 CVE IDs covered (1)

📋 Description