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Description

Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.

PUBLISHED Reserved 2026-04-21 | Published 2026-05-12 | Updated 2026-05-20 | Assigner microsoft




MEDIUM: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-284: Improper Access Control

Product status

1.0.0 (custom) before 19.2604.43111.0
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41614 (M365 Copilot for Desktop Spoofing Vulnerability) vendor-advisory patch

cve.org (CVE-2026-41614)

nvd.nist.gov (CVE-2026-41614)

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