<p><!--[if lt IE 7]&gt;--> end javascript to email the article IDG ReporterAl Bawaba Ltd.</p><p>Microsoft has patched 20 vulnerabilities in Word, Office, Windows, SharePoint Server, SQL Server and other products in its portfolio, including a critical bug in the company's popular Word programme and another already used to attack the company's own online services.</p><p>Of Tuesday's seven security updates, one was labelled "critical," Microsoft's most-severe threat ranking, while the others were pegged as "important," the next-most-serious rating.</p><p>The critical update for Word affected all versions of Microsoft's word processor on Windows, including Word 2003, 2007 and 2010; Word Viewer, the add-on that lets users who don't own Word view and print documents; and Office Web Apps, the free online editions of Word, Excel, PowerPoint and OneNote.</p><p><a href="http://www.equities.com/news/headline-story?dt=2012-10-10&val=573146&cat=tech">Keep reading...</a></p>