As per the KBA-BlogPost on Cumulative Update 4 for SQL 2005 SP2, Microsoft confirms that this cumulative update package will be released in the October 2007 timeframe. The information that is presented here is subject to change at any time before the release date without prior notice. If you need to refer for the list of builds after the release ...

Yet another information on cumulative update for SQL Server 2005 Service Pack 2 installations and make are note of the following: This cumulative update package will be released in August 2007. The information that is presented here is subject to change without prior notice at any time before cumulative update package 3 is released. Microsoft SQL ...