From the MSRC blog:

Today we released an update 976749 that addresses two issues with MS09-054 that a limited number customers reported to us through our Customer Service and Support (CSS) group. These two issues can affect the proper display of web pages.

For all the details see http://blogs.technet.com/msrc/archive/2009/11/02/update-released-for-ms09-054.aspx

J.C. H