tpwn OS X exploit: What you need to know

[iMore.com]

tpwn is a vulnerability that affects OS X 10.9.5 Mavericks through 10.10.5 Yosemite, but does not affect the currently-in-beta OS X 10.11 El Capitan. With tpwn, malicious code on your Mac could escalate its privileges?gain "root" access?and potentially exploit the system. The vulnerability was released without warning?also known as a 0day?and without prior disclosure to Apple. That means Apple learned about it pretty much when the rest of the world did.

Full story from the iMore Blog...