Hi Jordan!
I assume you've tried the password recovery site?
https://account.live.com/password/reset
The hindsight answer is to always have a 'break-glass' account for such issues.
Then you can login to the admin center and fix it there.
https://admin.microsoft.com/Adminportal/Home#/homepage
Which brings us to the most likely answer: contact Microsoft support.
https://support.microsoft.com/en-US
Good luck sir.