MediumVulnerability

CVE-2026-41614: M365 Copilot for Desktop improper access control allows local spoofing

Source: NVD(opens in a new tab)
Identifier: CVE-2026-41614
Published: May 12, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.4%

Summary

CVE-2026-41614 is an improper access control flaw (CWE-284) in M365 Copilot for Desktop. It allows an unauthorized attacker to perform spoofing, but only locally. NIST has not yet provided an NVD assessment, and the source is Microsoft Corporation, published 05/12/2026.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 6.2(medium)
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector: local
Attack complexity: low
Privileges required: none
User interaction: none
EPSS: 0.4%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on October 13, 2026.
Disclosure date: May 12, 2026

Weaknesses and techniques

Weakness (CWE): CWE-284

Affected

Vendors: Microsoft

Classification

Attack sophistication: Moderate
AI component targeted: Plugin
Impact: Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-41614

First tracked: May 12, 2026 at 08:09 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 80% (self-assessed)

Topics

Coding assistants

Summary

Mitigation

Topics

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