My Minecraft account was hacked what can I do?

When I wanted to play Minecraft normally today, I opened the launcher. I had to register again. When I wanted to do that and entered my correct password and email, the message came that it was wrong. The email actually belongs to my mother, which is why I can't always change my password. This has happened to me before, I just let my mother change the password. Then everything worked out again, I saw that my name was changed, and now it's the same case again, what can I do?

Minecraft can't do jackets. It's just a bug or a glitch. Deinstlire or make yourself one. New account

But if it's a bug then how can my name be changed?

I do not know! Maybe it was you yourself😂