Patch Tuesday brings seven security fixes for Windows, Internet Explorer and Office. Microsoft deems four of them drop-everything-and-fix-this-now critical. The longer you wait to apply the patches, the more time attackers will have to finesse, and launch, their attacks. Microsoft says that four of the patches will address critical vulnerabilities, four of which are rated importantss highest severity rating. For every corporation, every patch brings the possibility of conflicts.”]
Source: https://nakedsecurity.sophos.com/2013/03/11/patch-tuesday-microsoft-critical/