There's a star trek episode about such a thing, https://memory-alpha.fandom.com/wiki/Warhead_(episode) https://memory-alpha.fandom.com/wiki/Warhead_(episode) A

There's a star trek episode about such a thing, https://memory-alpha.fandom.com/wiki/Warhead_(episode) https://memory-alpha.fandom.com/wiki/Warhead_(episode) Apparently it will "hijack" more memory and attempt to reconstruct it's orders. But, real world, I would say that data corruption would occur and outside of chemical/physics, it will just drop and lockup. May have a failsafe to detonate, but that is a fun question indeed.