I don't think we can cut power to an USB port since they are hardwired on the motherboard.
What I can think of is using third-party software such as USBDeview to disable specific USB ports in Windows.
Similar case here:
How do I disable/enable a single USB port only?
https://www.techsupportforum.com/threads/solved-how-do-i-disable-enable-a-single-usb-port-only.950570/
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