Windows SharePoint Services V3 and Microsoft Office SharePoint Server 2007 are now be able to get updated to the latest available bits with April CU.
KB articles: available later than this post
981043 The full server package for WSS http://support.microsoft.com/default.aspx?scid=kb;EN-US;981043
981042 The full server package for MOSS http://support.microsoft.com/default.aspx?scid=kb;EN-US;981042
Download and installation information:
After applying the preceding updates, run the SharePoint Products and Technologies Configuration Wizard or “psconfig –cmd upgrade –inplace b2b -wait” in command line. This needs to be done on every server in the farm with SharePoint installed.