McAfee, without realizing it, <A HREF="http://news.zdnet.com/2100-1009_22-6094471.html?tag=zdnn.alert">has fixed a serious flaw</A> in its popular product for managing security software, the security vendor said Friday. The flaw affects McAfee's ePolicy Orchestrator (ePO) Common Management Agent prior to the current 3.5.5 version, technology used to manage security software installed on about 40 million PCs in large organizations, McAfee said. A successful attack that exploits the flaw could result in the full compromise of a targeted computer, the company said.