Microsoft released the March 2019 Office Update today. Includes 6 security updates and 28 non-security updates. 4 of them fix remote code execution vulnerabilities within SharePoint and the Microsoft Office Access Connectivity Engine. Also included is an update for Microsoft Office 2016 that allows users to block Access 2016 from executing VBA code if it is identified as being from the Internet. You can find all the updates released on the Download Center and via the Microsoft Update platform listed below. To download an update matching the product you have installed, click on the corresponding Knowledge Base article.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-the-march-2019-updates-for-office/