Microsoft has released the May 2019 Security Updates

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

Adobe Flash Player
Microsoft Windows
Internet Explorer
Microsoft Edge
Microsoft Office and Microsoft Office Services and Web Apps
Team Foundation Server
Visual Studio
Azure DevOps Server
SQL Server
.NET Framework
.NET Core
ASP.NET Core
ChakraCore
Online Services
Azure
NuGet
Skype for Android

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.
Starting in May 2019, Internet Explorer 11 is available on Windows Server 2012. This configuration is only present in only the IE Cumulative package 4498206.

The following CVEs have FAQs with additional information and may include * further steps to take after installing the updates. Please note that this is not a complete list of CVEs for this release.

ADV190012
ADV190014
CVE-2019-0758
CVE-2019-0819
CVE-2019-0864
CVE-2019-0882
CVE-2019-0886
CVE-2019-0889
CVE-2019-0890
CVE-2019-0891
CVE-2019-0893
CVE-2019-0894
CVE-2019-0895
CVE-2019-0896
CVE-2019-0897
CVE-2019-0898
CVE-2019-0899
CVE-2019-0900
CVE-2019-0901
CVE-2019-0902
CVE-2019-0930
CVE-2019-0932
CVE-2019-0942
CVE-2019-0945
CVE-2019-0946
CVE-2019-0947
CVE-2019-0949
CVE-2019-0950
CVE-2019-0951
CVE-2019-0952
CVE-2019-0953
CVE-2019-0956
CVE-2019-0957
CVE-2019-0958
CVE-2019-0961
CVE-2019-0963
CVE-2019-0971

Known Issues

KB Article / Applies To
4493730 Windows Server 2008 Service Pack 2 (Servicing Stack Update)
4494440 Windows 10, version 1607, Windows Server 2016
4494441 Windows 10, version 1809, Windows Server 2019
4497936 Windows 10, version 1903
4498206 Internet Explorer Cumulative Update
4499151 Windows 8.1, Windows Server 2012 R2 (Monthly Rollup)
4499154 Windows 10
4499158 Windows Server 2012 (Security-only update)
4499164 Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Monthly Rollup)
4499165 Windows 8.1 Windows Server 2012 R2 (Security-only update)
4499167 Windows 10, version 1803
4499171 Windows Server 2012 (Monthly Rollup)
4499179 Windows 10, version 1709
4499180 Windows Server 2008 Service Pack 2 (Security-only update)
4499181 Windows 10, version 1703

  Microsoft May 2019 Security Updates