What is CVE-2026-41100?

CVE-2026-41100 is a security advisory published by Microsoft Security Response Center (MSRC) with Spoofing severity. Microsoft 365 Copilot for Android Spoofing Vulnerability

Which CVE IDs does CVE-2026-41100 cover?

CVE-2026-41100 covers the following CVE IDs: CVE-2026-41100. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-41100?

CVE-2026-41100 has a CVSS v3 base score of 4.4, published by Microsoft Security Response Center (MSRC).

CVE-2026-41100SpoofingCVSS 4.4

Microsoft 365 Copilot for Android Spoofing Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-41100 →

📋 Description

<p>Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.</p>