cve 2026 55145

  1. CVE-2026-55145: Outlook Copilot Command Injection Needs Tenant Review

    Microsoft has disclosed CVE-2026-55145, a command-injection vulnerability in Outlook Copilot that could let an authenticated attacker tamper with data through a network-based attack. Published by the Microsoft Security Response Center on July 14, 2026, the flaw carries a CVSS 3.1 base score of...
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    • command injection cve 2026 55145 microsoft 365 security outlook copilot
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