I remember a different form of this from years ago. At the login screen, go to the accessibility/help prompts and open cmd.exe just like was done here to open

I remember a different form of this from years ago. At the login screen, go to the accessibility/help prompts and open cmd.exe just like was done here to open PS>. This has been a standard kiosk breakout method of various effectiveness for a long time. The user rights were not always SYSTEM, though...