One of the biggest dangers to any computer is a "zero-day" vulnerability. This is a security hole in a program or operating system that existed since the software was programmed. Often, it can let a hacker slip a virus past a computer's defenses, and usually hackers are the first ones to find it. In other words, everyone using the software is in danger and they don't even realize it.
Today, the "zero-day" has been one-upped by the "forever-day." That's a new term for a vulnerability that's been around practically forever without being fixed, and the more cynical of you won't be surprised that the one I'm talking about today is in Windows.
It's called "Re-Direct to SMB," which just rolls off the tongue. You'd think since it's been around since 1997 they could have found a better name for it by now. Yep, it's 18 years old and it's in every version of Windows, including the upcoming Windows 10.
Ever worse, Microsoft has known about it this whole time. So, that begs the question of why Microsoft hasn't fixed it yet.