Microsoft has published the February 2019 Security Updates

The February 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
Microsoft Exchange Server
Microsoft Visual Studio
Azure IoT SDK
Microsoft Dynamics
Team Foundation Server
Visual Studio Code
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.

ADV190003
ADV190007 *
ADV990001
CVE-2019-0540 *
CVE-2019-0600
CVE-2019-0601
CVE-2019-0602
CVE-2019-0615
CVE-2019-0616
CVE-2019-0619
CVE-2019-0621
CVE-2019-0628
CVE-2019-0635
CVE-2019-0636
CVE-2019-0643
CVE-2019-0648
CVE-2019-0658
CVE-2019-0660
CVE-2019-0661
CVE-2019-0664
CVE-2019-0669
CVE-2019-0676
CVE-2019-0686 *
CVE-2019-0724 *
CVE-2019-0741

  Microsoft February 2019 Security Updates