"In a security advisory, the company warned of a loophole that could be used by malicious hackers to steal private information or hijack computers. The bug potentially affects every user of the Internet Explorer web browser - around 900 million people worldwide."
Microsoft has issued a software 'patch' (a short-term solution) but is still working on a long-term fix.
Like this is news. It may as well be an everyday headline. If you use Windows, and persist in using MSIE (instead of Firefox), your system will be constantly downloading patches and updates from MicroSoft - almost every day, if you let it. All this is in the background, as MicroSoft wouldn't want you to worry about the security flaws.
Geeks, tech-heads and anyone in the IT industry know all about this - which is why we use Firefox (mind, you we also tend not to use Windows anyway). Most geeks I know use Linux.