(1) Here is KB4497165...
https://support.microsoft.com/en-us/help/4497165/kb4497165-intel-microcode-updates
KB4497165: Intel microcode updates
I presume as it showed up in your queue it is appropriate for your computer. Or, it has come to determine whether it is appropriate & act accordingly. I would only block one that has already proven itself to be problematic.
(2) Has KB4567512 shown up yet? Did you click "Check for Updates"?