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Microsoft Copilot

1 CVEs product

Monthly

CVE-2026-55145 Jul 14, 17:09 HIGH PATCH This Week

Command injection in Outlook Copilot (Microsoft Copilot) lets an authenticated, low-privileged attacker inject unneutralized special elements over the network to tamper with the service, with Microsoft's CVSS rating a high confidentiality impact alongside limited integrity impact. The flaw was reported and fixed by Microsoft (MSRC CVE-2026-55145) and carries a CVSS 3.1 base score of 7.1. No public exploit identified at time of analysis, and CISA SSVC records exploitation status as none.

Command Injection Microsoft Microsoft Copilot
NVD
CVSS 3.1
7.1
EPSS
0.4%
EPSS 0% CVSS 7.1
HIGH PATCH This Week

Command injection in Outlook Copilot (Microsoft Copilot) lets an authenticated, low-privileged attacker inject unneutralized special elements over the network to tamper with the service, with Microsoft's CVSS rating a high confidentiality impact alongside limited integrity impact. The flaw was reported and fixed by Microsoft (MSRC CVE-2026-55145) and carries a CVSS 3.1 base score of 7.1. No public exploit identified at time of analysis, and CISA SSVC records exploitation status as none.

Command Injection Microsoft Microsoft Copilot
NVD

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