If the Windows Camera Frame Server shows high RAM and CPU usage in Windows 11/10, roll back, update or reinstall the camera ...
To use the Windows 11 multi-app camera feature, join the Windows Insider Program and install Insider Preview Build 26120.2702. Then go to Settings > Bluetooth & devices > Cameras, select your camera, ...
Since the issue pertains to the Camera app, the first thing you should do to remediate this is to run the Camera troubleshooting utility. You will find the option for this in the Windows Settings.