Microsoft have released a patch through Windows Update for
- CVE-2020-0601 - Windows doesn't properly validate X.509 certificate chains.
- CVE-2020-0609, CVE-2020-0610 - Windows Remote Desktop Gateway (not to be confused with RDP proper) unauthenticated RCE.
Some pretty serious certificate handeling issues. If you are using Windows OS, do everyone around you a favor and run Windows Update, install the KB4528760 update and stay secure.