CVE-2026-41614

MEDIUM

M365 Copilot for Desktop Spoofing Vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
M365 Copilot for Desktop Spoofing Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41614

Scores

CVSS v3 6.2
EPSS 0.0005
EPSS Percentile 15.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (2)
microsoft/365_copilot < 19.2604.43111.0
Microsoft/M365 Copilot for Desktop 1.0.0 - 19.2604.43111.0
Published May 12, 2026
Tracked Since May 12, 2026