Who's really to blame for the Windows XP Patch BSOD?

URL: http://linuxtoday.com/news_story.php3?ltsn=2010-02-19-022-35-SC-MS

Sure, It's Secure: "More than a week after Microsoft released an XP patch that seemed to cause BSODs (Blue Screen of Death), Microsoft announced that the immediate cause was the Alureon rootkit. Fair enough, but what about the 17-year old Windows security hole that the rootkit was exploiting?"