However, the company is recommending administrators turn their attention to two of the seven bulletins first — MS12-034 and MS12-029. MS12-034 includes 10 fixes across several product lines that were bundled together as part of an update meant to put the finishing touches on a vulnerability exploited by the infamous Duqu malware. Believed to be related to Stuxnet, Duqu was spotted in September exploiting a vulnerability affecting Microsoft Word. Though the company previously patched the bug with MS11-087, other Microsoft products were discovered to contain the same vulnerability as well."
Link to Original Source