Medium severity6.3NVD Advisory· Published Jul 14, 2026· Updated Jul 22, 2026

CVE-2026-55145

Description

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

Affected products

Microsoft/Outlook Copilotllm-create
Microsoft/Copilot
cpe:2.3:a:microsoft:copilot:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55145nvdVendor Advisory

News mentions

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cvss	0.410
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000