Assume that you upload several document item lists to a document library in Microsoft SharePoint Server 2010. SharePoint Server 2010 displays incorrect list view results or displays incorrect item count information when you perform either of the following operations:
You use multiple managed metadata column filters that use multiple values to filter the document item lists on multiple columns.
You use the metadata navigation and filtering feature to filter the document item lists on multiple columns.
To resolve this issue, apply the following update:
2596584 Description of the SharePoint Server 2010 hotfix package (dlc-x-none.msp, osrv-x-none.msp, wosrv-x-none.msp): October 25, 2011
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.