alt Hacker NewsI have heard of exploits that can root a machine from inserting a USB device (in fact, this has been used by attackers to conspicuously leave thumb drives in the parking lots of organizations they want to attack).
I have never heard of a sploit that roots your machine from inserting a floppy.
floppy boot sector viruses were common back in the day. https://en.wikipedia.org/wiki/Brain_(computer_virus) I had one infect my home pc called ripper