Gregory's Serverall of you smugly saying "lol just install <open source operating system> it doesn't have this problem" are going to get fucking obliterated when a vulnerability like this happens to <open source operating system> because trust me, it will
i hate microsoft as much as the next guy but they at least handled the fuck-up gracefully
this is not a "your OS sucks" problem, this is a "there is a vulnerability in a major server OS and regardless why you run it you need to fix it" problem
shut it and get the word out