An update for Exchange 2007 has just been released...
Update Rollup 2 for Exchange 2007 has just been released. The update is available from the following location:
The associated article is as follows: support.microsoft.com/?kbid=935490
The update includes the fixes for the issues that are described in Microsoft security bulletin MS07-026 (www.microsoft.com/technet/security/bulletin/ms07-026.mspx)