Microsoft updates are published and available.  The iOS fix is in beta and should be released in the next few days.  Android patches are still in the works and may not be available for weeks.  Pixel will receive updates first while other Android devices will be dependent on hardware vendor support.

https://www.theverge.com/2017/10/16/16481818/wi-fi-attack-response-security-patches

https://www.macrumors.com/2017/10/16/krack-wifi-vulnerabilities-patched-apple-ios-macos/?utm_source=feedly&utm_medium=webfeeds