The web page doesn't show CJ05... It clearly shows the following 'current' update for the Moment...
Technical Specifications:
Dated: 2/19/2010
Software Version: S:M900.8.0S.CL14
PC Requirements: Windows 2000-SP4, Windows XP-SP2, Windows Vista, or Windows 7
Sprint Software Downloads - Smartphones - Samsung Moment with Google
Make sure you are going to the device download page above, NOT the one that shows the 'current software installed on your device' because you're right, that's never updated - in fact, my Moments arrived with CL14 on them.