<A target="_blank" href="http://searchsecurity.techtarget.com/news/article/0,289142,sid14_gci1343468,00.html?track=sy160#">Microsoft is warning users of a serious bug</A> in its SQL Server database software and has issued a security advisory (961040) saying the bug could be exploited on systems running versions of Microsoft SQL Server 2000 and SQL Server 2005.