Hello,
Please refer to the links below on how to use self hosted fonts in Muse CC 2014.
http://tv.adobe.com/watch/learn-adobe-muse-cc/add-selfhosted-web-fonts/
https://helpx.adobe.com/muse/how-to/add-self-hosted-web-fonts.html
I hope these link will be able to answer your question.
Regards
Vivek