I would totally expect this kind of thing to be already in the wild for the simple reason that people have been saying this sort of thing is possible for many years, it is just not the sort of thing that once the parties capable of doing it have found a practical exploit that they are then going to turn around and publish it to make the world a better place.
On the contrary, it will be hoarded and used against suitable targets.
On the contrary, it will be hoarded and used against suitable targets.
An earlier hacker news thread around this theme:
https://news.ycombinator.com/item?id=10905643