You are right to be concerned about this call, it is 100% a scam. Your Microsoft account (or whatever) does not typically report to anyone about problems and no legitimate tech support company would ever call you first.
What they are trying to do is connect to your account and then they will lie to you about problems that you do not have. They may also try to get other personal information from you, and charge some money to "fix" a problem that doesn't really exist.
Here is an article by the federal trade commission about these type of scams:
If they do call again simply hang up, do not give them any information or speak to them at all, hang up. And do NOT call back any number that you are given to call back.
They will eventually stop calling and move on to the next victim.
One other thing you can do IF your phone has the capability is to block the call that came in originally - based on the Caller ID.
If you need to discuss this further please let me know. If you understand everything from my answer above please rate my service to finish. Positive ratings are very appreciated and are how I receive credit for my time and expertise.
Thanks & Stay Safe with your personal information, Greg A.