I hope is not a failed cam as described on TSB 18-147. Download the PDF from the link below which has a sound link embedded. See if it sounds like it.
https://www.nhtsa.gov/vehicle/2018/HONDA/CR-V/SUV/FWD#manufacturerCommunications
Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues..... or a whirling noise coming from the engine compartment.
https://www.nhtsa.gov/vehicle/2018/HONDA/CR-V/SUV/FWD#manufacturerCommunications
Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues..... or a whirling noise coming from the engine compartment.