Microsoft released 2 patches yesterday which are IIS related.
MS06-033: Vulnerability in ASP.NET Could Allow Information Disclosure (917283)
Only affecting – .NET Framework 2.0
MS06-034: Vulnerability in Microsoft Internet Information Services using Active Server Pages Could Allow Remote Code Execution (917537)
If you are using ASP for IIS 5.0, 5.1 and 6.0
See Microsoft for a complete list of July security bulletins.