The contact owns a 2020 Ford Explorer. The contact stated while driving at 65 MPH with the cruise control engaged, the vehicle occasionally exceeded 85 MPH and accelerated independently. No warning light was illuminated. The vehicle was not taken to be diagnosed. The local dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline. The failure mileage was approximately 72,000.