Microsoft continues its onslaught against security vulnerabilities, fixing a whopping 421 bugs in August's Patch Tuesday update. But looking beyond the sheer number, Windows users should install this month's update, as it patches a zero day flaw that's already been exploited by attackers. Aimed at , , and , the 421 vulnerabilities encompass a range of Microsoft products, including Office, Exchange, Azure, and SharePoint. But it's the Windows patches that clobber the...