Please take a moment to review these reference articles, evaluate your environments and patch accordingly. Be aware that several vulnerabilities addressed in this round of Patch Tuesday updates have potentially active exploits in the wild.
https://www.infosecurity-magazine.com/news/two-zerodays-fixed-in-this-months/
https://krebsonsecurity.com/2019/07/patch-tuesday-lowdown-july-2019-edition/