It goes like this....

KB907245 is the KB article specifically related to the MS Security Bulletin
#MS05-048. This KB article refers to two subordinate KB articles that discuss
the various scenarios in which this security issue can be involved.

The first is in the /Windows/ operating system, the second is in the
/Exchange/ server product.

Here's an excerpt from KB907245, referring to the other articles:
For more information about the Windows-based version of this issue, click the
following article number to view the article in the Microsoft Knowledge Base:
901017 (http://support.microsoft.com/kb/901017/) Vulnerability in the
Microsoft Collaboration Data Objects could allow code execution (Windows)
For more information about the Exchange-based version of this issue, click the
following article number to view the article in the Microsoft Knowledge Base:
906780 (http://support.microsoft.com/kb/906780/) Vulnerability in the
Microsoft Collaboration Data Objects could allow code execution (Exchange)


"<*(((><{" <Fishy@Ocean.Net> wrote in message
news:ik74n15koc737b425927d4u2s8c9cem05s@4ax.com...
> But then, why does the KB article show links to download 901017? And
> it discusses 901017? But 907245 shows up in the title and heading?
>
> Could be -- but maybe not
>
> <*((((><{
> Fishy@Ocean.Net
>
> In the last exciting episode on Wed, 9 Nov 2005 10:02:20 -0500, "David
> H. Lipman" <DLipman~nospam~@Verizon.Net> wrote:
>
>>From: "<*(((><{" <Fishy@Ocean.Net>
>>
>>| I'm using XP SP 1. I go to downloads and see that I need 901017. I
>>| click "details" I click the link to the article The article is
>>| 907245.
>>|
>>| What?
>>|
>>| <*((((><{
>>| Fishy@Ocean.Net
>>
>>Since KB907245 is greater than KB901017 it could be that KB907245 supercedes
>>the older
>>patch/HotFix.
>