Windows 7: 18 vulnerabilities: 1 rated critical and 17 rated important.
Net Core, Asp.net Core, Microsoft Dynamics.
Other Microsoft products that received security updates are: Internet Explorer, OneDrive for Android, Microsoft Office.
Microsoft released security updates for all client and server versions of the Windows operating system.
Home users may find the "what now" article useful.
This is the last Patch Day for Windows 7 unless you are a business / Enterprise and subscribed to ESU.
You may download the following (zipped) Excel spreadsheet that contains a list of released updates in January 2020: windows-security-updates-january-2020 Executive Summary Microsoft Windows Security Updates January 2020 Click here to open the overview of the December 2019 Windows Security updates.