CVE-2026-105728: Microsoft Dynamics Nav 2018

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Improper authentication in Dynamics Business Central allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft Microsoft Dynamics Nav 2018: from 1.0, before 11.0.50736.0 (fixed in 11.0.50736.0)

Published 2026-10-13. Last modified 2026-10-13.