<A target="_blank" href="http://www.eweek.com/c/a/Security/Microsoft-Words-RTF-Bug-Targeted-by-Malware-160117/?kc=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+RSS%2Ftech+%28eWEEK+Technology+News%29">If you didn't apply Microsoft's November patches</A>, there is an exploit targeting PCs that uses a Rich Text Format file capable of downloading additional malware to the machine.