From the original post:
"According to the post National Security Agency has access both stand-alone systems and networks running Microsoft products.
The post states the following: "This includes wireless wiretapping of "smart phones" running Microsoft Mobile. Microsoft remote administrative privileges allow "backdooring" into Microsoft operating systems via IP/TCP ports 1024 through 1030.
According to the Cryptome's source this is typically triggered when devices visit Microsoft Update servers.
SecuriTeam Blogs: http://blogs.securiteam.com/?p=1028"
Link to Original Source