Weak Authentication in Microsoft Dynamics 365 Business Central - CVE-2026-40417
Published: May 13, 2026
Vulnerability identifier: #VU131316
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-40417
CWE-ID: CWE-1390
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Dynamics 365 Business Central
Microsoft Dynamics 365 Business Central
Detailed vulnerability description
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to weak authentication in Microsoft Dynamics 365 Business Central. A local user can bypass authentication process and gain elevated privileges on the system.
How to mitigate CVE-2026-40417
Install updates from vendor's website.