If you suspect that your Facebook account has been hacked, the first thing you should do is to change your password immediately and contact Facebook help center +1-833-714-4137. This step helps you regain control of your account and prevent the hacker from continuing to access it.
https://feedbackportal.microsoft.com/feedback/idea/71747d36-45b9-ef11-95f5-6045bdbc7c39
