Resolution: Admiral Vance: "Thankfully, the Borg were deactivated via a recursion loop that froze the hive mind. They haven't been a concern since them. If you sight a Borg cube please inform Starfleet Intelligence so it can be studied further. Now that that's out of the way on to your next mission..."
RIP*, Borg. And good riddance.
*rest in pieces.
This just opens up the door to 'Exploring non-functional cube in horror-movie fashion' episodes in the future. Disco Halloween Special. Actually, it doesn't feel like a bad idea now that I think about it.