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

CVE-2026-41614

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

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

MEDIUM · CVSS 6.2 EPSS 0.0005
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
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Affected Products & Versions

1
microsoft 365 copilot< 19.2604.43111.0
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Scoring & Timeline

6.2
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 May 2026 · 06:17 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2026-41614Spoofing
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