What is CVE-2026-41614?

CVE-2026-41614 is a medium-severity vulnerability in Microsoft 365_copilot, classified under Improper Access Control. CVSS score: 6.2/10. Published 2026-05-12.

How severe is CVE-2026-41614?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Microsoft 365_copilot

CVE-2026-41614

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

EPSS: 0.001 (16.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Microsoft 365_copilot
Microsoft M365 Copilot For Desktop — versions 1.0.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

M365 Copilot for Desktop Spoofing Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41614?: CVE-2026-41614 is a medium-severity vulnerability in Microsoft 365_copilot, classified under Improper Access Control. CVSS score: 6.2/10. Published 2026-05-12.
How severe is CVE-2026-41614?: Medium severity. CVSS v3 base score is 6.2 out of 10.