Vulnerability in Microsoft 365 Copilot
CVE-2026-41614
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (32.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Microsoft 365 Copilot
- Microsoft M365 Copilot For Desktop — versions 1.0.0
Weakness classification (CWE)
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.