Jun 2026: Microsoft Copilot Tampering Vulnerability
CVE-2026-42895 Published on June 19, 2026

Microsoft Copilot Tampering Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering over a network.

Vendor Advisory NVD

Weakness Type

What is a Command Injection Vulnerability?

The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

CVE-2026-42895 has been classified to as a Command Injection vulnerability or weakness.


Products Associated with CVE-2026-42895

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Affected Versions

Microsoft 365 Copilot Version - is affected by CVE-2026-42895