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.
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-2026-42895Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.