Microsoft has published the January 2019 Security Updates

The January security release consists of security updates for the following software:

Adobe Flash Player
Internet Explorer
Microsoft Edge
Microsoft Windows
Microsoft Office and Microsoft Office Services and Web Apps
ChakraCore
.NET Framework
ASP.NET
Microsoft Exchange Server
Microsoft Visual Studio

Please note the following information regarding the security updates:

A list of the latest servicing stack updates for each operating system can be found in ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the Microsoft Update Catalog.
Updates for Windows RT 8.1 and Microsoft Office RT software are only available via Windows Update.
For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.
In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.

The following CVEs have FAQs with additional information and may include * further steps to take after installing the updates.

ADV190001
CVE-2019-0536
CVE-2019-0537
CVE-2019-0545
CVE-2019-0549
CVE-2019-0553
CVE-2019-0554
CVE-2019-0559
CVE-2019-0560
CVE-2019-0561
CVE-2019-0569
CVE-2019-0585
CVE-2019-0588

  Microsoft January 2019 Security Updates