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CVE-2026-42893

HIGH CVSS: 7.4 Published: 2026-05-12 Modified: 2026-06-17

Description

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a network.

Affected Platforms

Microsoft Outlook

Weakness Type

CWE-77

References