Misbehaving Cardinals (and heads of state) can only be judged by the Pope, but lesser mortals are handled by the Roman Rota. This court, which we have all heard of, remains rather obscure in its functions, at least to most of us, but there is absolutely no reason why it should not act in a way analogous to the Star Chamber of old.
Some years ago now there was talk that the Pope was going to set up a special court to deal with Bishops who failed in their duty with regard to child protection. (This new court would presumably have taken over some of the jurisdiction exercised by the Rota.) But though this was announced, nothing happened.
Yes. Ball dropped again by the incumbent Holiness, busy perhaps with climate control and other things he can do nothing about.
Blithe Spirit 