Security Update for ASP.NET
Following the discovery of a security flaw in ASP.NET, Microsoft has been working day and night to release a security update thru Windows Update.
Read all about it and apply the update ASAP.
ScottGu
http://weblogs.asp.net/scottgu/archive/2010/09/27/asp-net-security-update-shipping-tuesday-sept-28th.aspx
http://weblogs.asp.net/scottgu/archive/2010/09/28/asp-net-security-update-now-available.aspx
Canadian Dev Connection
http://blogs.msdn.com/b/cdndevs/archive/2010/09/28/out-of-band-security-update-for-asp-net.aspx