If you have a Windows computer different from Windows 10 and Windows 8, you need this update!
Windows 7, Windows XP, Windows Server 2003, Windows Server 2008 R2 and similar all need updates right now.
Here: https://krebsonsecurity.com/2019/05/microsoft-patches-wormable-flaw-in-windows-xp-7-and-windows-2003/
and here: https://www.theverge.com/2019/5/14/18623565/microsoft-windows-xp-remote-desktop-services-worm-security-patches