http://msmvps.com/blogs/bernard/archive/2008/03/26/security-alerts-march-2008-special.aspxToday, Microsoft released a major revision for a vulneribility reported last year on .Net Framework. If you running framework version 1.0, 1.1 and 2.0. Please apply the fix asap. Take note that even you are running 3.0, it is essentially using .Net FrameworkenCommunityServer 2008.5 SP2 (Build: 40407.4157)