It's not difficult to intercept this type of encrypted communication, since it's coming from your computer you can just hook the functions responsible for sending the data, or for encrypting it in the first place. Many times it's as simple as adding your own CA to the trusted certificate store.

They announced some cool security technologies for Windows 10, but in my eyes their recent privacy invasions not only cancel all that out (I actually believe some of them are to make NSA/FBI's jobs easier, even as they "strengthen" the security of the OS), but makes everything worse in the end.