CVE-2026-41614

M365 Copilot for Desktop Spoofing Vulnerability

Published May 12, 2026 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Description
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft 365 Copilot
CPEs cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:windows:*:*
Vendors & Products Microsoft 365 Copilot
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
Title M365 Copilot for Desktop Spoofing Vulnerability
First Time appeared Microsoft
Microsoft 365 Copilot For Desktop
Weaknesses CWE-284
CPEs cpe:2.3:a:microsoft:365_copilot_for_desktop:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Copilot For Desktop
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:13 PM
Reserved
Apr 21, 2026, 10:14 PM
Status
Analyzed
Published
May 12, 2026, 6:17 PM
Modified
Oct 26, 2026, 6:10 PM