CVE-2020-1018: Microsoft Dynamics 365 Business Central

High severity, CVSS 7.5. EPSS: 6.3% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when Microsoft Dynamics Business Central/NAV on-premise does not properly hide the value of a masked field when showing the records as a chart page.The attacker who successfully exploited the vulnerability could see the information that are in a masked field.The security update addresses the vulnerability by updating the rendering engine the Windows client to properly detect masked fields and render the content as masked., aka 'Microsoft Dynamics Business Central/NAV Information Disclosure'.

Affected products

• Microsoft Dynamics 365 Business Central: affected versions not specified; version 2019 only
• Microsoft Dynamics Nav: version 2015 only; version 2016 only; version 2017 only; version 2018 only

Published 2020-04-15. Last modified 2026-06-17.