Microsoft released new security updates today. Both Critical and Important Updates have been released. Updates include those for Microsoft Windows, Internet Explorer, Microsoft Office, SQL Server, Visual Studio, NET Framework, and others.
Microsoft Security Updates for December 10, 2019
Microsoft also released an updated version of the Microsoft Windows Malicious Software Removal Tool.
December 2019 Security Update Release Notes
For those still using Windows 7, please see the Monthly Rollup link below which describes:
IMPORTANT Starting on January 15, 2020, a full-screen notification will appear that describes the risk of continuing to use Windows 7 Service Pack 1 after it reaches end of support on January 14, 2020. The notification will remain on the screen until you interact with it. This notification will only appear on the following editions of Windows 7 Service Pack 1:
In addition, Microsoft released updates for Microsoft Office in the link below.
December 2019 Updates for Microsoft Office
Hope this helps.