Besides the Exchange 2007 SP2 RU4 of yesterday and this morning’s Exchange 2010 RTM RU3, Microsoft also released Exchange 2007 SP1 Rollup 10 (KB981407) and a security fix for Exchange 2003 SP2 (KB976702).

Both Exchange 2007 SP1 RU10 and the Exchange 2003 SP2 update fix the issue documented in security bulletin MS10-024, being a vulnerability issue in Microsoft Exchange and the Windows SMTP Service which could lead to a denial of service.

You can download Exchange 2007SP1 RU10 here and the Exchange 2003 SP2 fix here.

And pssst .. there’s even a Exchange 2000 SP3 fix here.