Office 2002 / XP patches, slipstream, 10.6871.6870

%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0MAINSP3ff.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0OWC10.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0SNAPVIEW.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0CDO10.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0Works432.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0FM20.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0MSCONV.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0VBE6.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0OUTLOOK.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0MSPUB.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0USP10.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0GPFILT.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0OLKINTL.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0WINWORD.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0SHARED.msp" /qb
%systemroot%\system32\msiexec.exe /a "%~dp0PROPLUS.MSI" /p "%~dp0EXCEL.msp" /qb

Use Internet Explorer and go to https://www.catalog.update.microsoft.com/Home.aspx
Search for updates:

KB947320
KB955440
KB956464
KB957646
KB974556
KB975008
KB976380
KB980371
KB2284692
KB2288608
KB2289162
KB2293422
KB2328360
KB2509461
KB2541003

Or download this list:

http://download.windowsupdate.com/msdownload/update/software/secu/2010/12/gpfilt_2169bd9ba131cc64070494052ebd11c07a94c229.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2010/12/mspub_b0c50f8d10570feb5ef5cab0bc28ea0a342741b9.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2010/09/usp10_8439a627974f1ad9a34c9742c20ae88109ae9dcc.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2009/11/msconv_a43a00e0d889bb6da72eb7569d15251f8ae19fbd.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2010/04/vbe6_1b380133af898cf956d8b39992761eac3f86137f.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2008/07/snapview_8905434a3f5f1e48fa909daddfe1baf1a3ca2ec6.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2010/06/outlook_e7edf234f537004e5fa07c0f0b7a8b3659a4b4bd.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2010/09/winword_bd3b0b18163e52e2b7edb499ebcfcca7414c5253.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2009/08/owc10_57d5689f99443813055bca3a58eca2df2ab5d048.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2010/09/olkintl_7cd8bcd6188724e60c9482b84f10f0d71dec5fe6.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2011/06/excel_6b6c723f3a4be24058b0b8e73f671f5cbd1854bb.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2011/03/shared_9a730caaf3cd5a3187388bd94356e1f368b3bc5a.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2009/05/works432_a5a3a5b0b7a5af7e0367224dbc2803bfdc10561c.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2009/10/fm20_4de9593922deb147c9f44bf4a8dc13021dad4f12.cab
http://download.windowsupdate.com/msdownload/update/software/secu/2008/10/cdo10_61fbcbecc6f2f6802f05fd55cfc193e8dfb2b9cc.cab

Use 7-zip to extract each file!

Some automations can be found:
https://github.com/catonrug/slipstream-patches-into-office-xp-installation/archive/master.zip