The World Economic Forum has published a report on the future of AI. The world is experiencing the benefits of AI in areas such as healthcare. There is an almost endless list of the existing and future benefits of AI in multiple sectors. However, there are big risks too and these concern dangerous exploitation. The report mentions three areas of risk and these are physical, digital and political. Examples are:

Remote-controlled car crashes
Sophisticated phishing
Manipulating public opinion

Mitigating these risks is a matter of urgency and daily concern if we are to stay safe.
For further reading:

https://www.weforum.org/agenda/2018/03/3-ways-ai-could-threaten-our-world-and-what-we-need-to-do-to-stay-safe