The most important thing to do before panic is check what version of Java you have. Note that the most recent version of Java is Version 7 Update 11. "Oracle Java 7 update 10 and earlier are affected," the notice says. It adds that the only known solution is to "disable Java in web browsers." -NPR
- On Windows 7 Go to Control Panel > Click on Programs
- Click on Java
- On the dialog box click About.
- See what version you are running
How to Disable: https://blog.blackrocknetworks.com/java-security-risk-how-to-disable-java/
http://www.npr.org/blogs/thetwo-way/2013/01/11/169156325/computer-users-should-disable-java-7-due-to-security-flaw-experts-say