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Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.

PUBLISHED Reserved 2026-05-12 | Published 2026-06-04 | Updated 2026-06-06 | Assigner microsoft




HIGH: 7.7CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L/E:U/RL:O/RC:C

Problem types

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

Product status

-
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45497 (Microsoft M365 Copilot Remote Code Execution Vulnerability) vendor-advisory patch

cve.org (CVE-2026-45497)

nvd.nist.gov (CVE-2026-45497)

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