Improper access control in M365 Copilot for Desktop - CVE-2026-41614
Published: May 13, 2026
Vulnerability identifier: #VU131302
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-41614
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
M365 Copilot for Desktop
M365 Copilot for Desktop
Detailed vulnerability description
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in M365 Copilot for Desktop. A local attacker can bypass implemented security restrictions and perform spoofing attack.
How to mitigate CVE-2026-41614
Install updates from vendor's website.