The full ramifications of this vulnerability are not known at this time, but it does have the potential to cause serious problems for devices that are slow to patch and/or update.  Some statistics declare more than 40% of Android devices are susceptible today.

Please evaluate your wireless environments and validate you have the most recent firmware in place for all your access points.

https://www.welivesecurity.com/2017/10/16/wpa2-security-issues-pose-serious-wi-fi-safety-questions/