It is possible to have a Rouge AI the worst that could happen is Skynet with Terminators that seek to kill all humans, since the military wants to use AI for killer robots and drones.
The worst that could happen is self replicating machines.
Swarming, self-replicating killbots don't remotely need human or superhuman intelligence to destroy the world. The brains of a rat or a roach is probably quite sufficient.
People have speculated that even something as unassuming as artificial grass, if it were just a tiny bit more efficient at converting sunlight to energy than the natural kind, could outcompete plants and wipe out the biosphere.
I don't remember the original Terminator as being that smart.
I don't think so, but in order to answer the question of how close we are, I think it would be necessary to survey the most automated factories in the world, and the most advanced biotechnology.
Swarming, self-replicating killbots don't remotely need human or superhuman intelligence to destroy the world. The brains of a rat or a roach is probably quite sufficient.
People have speculated that even something as unassuming as artificial grass, if it were just a tiny bit more efficient at converting sunlight to energy than the natural kind, could outcompete plants and wipe out the biosphere.
I don't remember the original Terminator as being that smart.