A previously unknown security hole in Java 7 can be used to seize control over a computer if a user visits a compromised or malicious Web site. Java is a programming language and computing platform that powers programs including utilities, games, and business applications. Java runs on more than 850 million personal computers worldwide, and on billions of devices worldwide, including mobile and TV devices. Users should uninstall Java completely or unplug it from the browser no matter what version youre using, as this could become a moving target.”]
Source: https://krebsonsecurity.com/2013/01/what-you-need-to-know-about-the-java-exploit/