Yup, thats the one! 🙂
It looks to be related to Outlook 365 client calling Webview2. I know Outlook now relies on it to call certain functions (i.e Room finder for meetings), UIjust need to workout how and what in Outlook is starting the child process' and why they are left consuming CPU.
Noticed they STILL consume CPU even the the customers session is in a disconnected state.