Description
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
Published: 2026-05-12
Score: 6.2 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Thu, 14 May 2026 14:30:00 +0000

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

Wed, 13 May 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 12 May 2026 17:30:00 +0000

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'}


Subscriptions

Microsoft 365 Copilot 365 Copilot For Desktop
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-05-15T17:12:55.525Z

Reserved: 2026-04-21T22:14:12.924Z

Link: CVE-2026-41614

cve-icon Vulnrichment

Updated: 2026-05-13T10:20:08.562Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-12T18:17:23.363

Modified: 2026-05-14T14:25:16.757

Link: CVE-2026-41614

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T22:30:05Z

Weaknesses