It also just keeps happening. A recent game(Genshin Impact) shipped with an Anti-Cheat driver that had unauthenticated read/write primitives via IPC for debugging and it's been abused since.
It's a security theater.
It's a security theater.
That in turn means you need some other way of "revoking" or "repudiating" that signature. In the case of TLS for example, it's a certificate revocation list.
I don't know if there's such a mechanism on Windows Kernel.