Microsoft has released security bulletin MS07-023. The security bulletin contains all the relevant information about the security update. This information includes file manifest information and deployment options. To view the complete security bulletin, visit one of the following Microsoft Web sites, depending on whether you are a home user or an IT professional:

•	Home users: http://www.microsoft.com/protect/computer/updates/bulletins/200705.mspx (http://www.microsoft.com/protect/computer/updates/bulletins/200705.mspx)
•	IT professionals: http://www.microsoft.com/technet/security/bulletin/ms07-023.mspx (http://www.microsoft.com/technet/security/bulletin/ms07-023.mspx)

Back to the top

Known issues

If you used Microsoft Update or Microsoft Windows Server Update Services (WSUS) to check for security updates on a computer that is running Windows Vista together with a 2007 Microsoft Office suite, the security update may not have been offered. Or, the security update may not have been installed successfully.

Microsoft has revised the Microsoft Update detection logic to address this issue.

Important No changes have been made to the security update. Therefore, if you have already installed the security update, you do not have to reinstall it.

If you use Microsoft Systems Management Server together with the Inventory Tool for Microsoft Updates to deploy security updates to client computers, you may experience the following symptoms.

Note You may also experience these symptoms if you use WSUS to deploy security updates to client computers.

•	You must re-approve the security update.
•	Users are again prompted to install the security update if the security update installation failed previously.
•	The security update is offered to users who have not yet installed the security update in the typical manner.

Note Customers who have already installed the security update successfully do not have to take any additional action.

Back to the top

For more information about the 2007 Microsoft Office version of this update, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the Microsoft Office Excel 2007 version of this update, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the Microsoft Office Excel 2003 version of this update, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the Microsoft Office Excel Viewer 2003 version of this update, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the Microsoft Excel 2002 version of this update, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the Microsoft Excel 2000 version of this update, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the Microsoft Office 2004 for Mac version of this update, click the following article number to view the article in the Microsoft Knowledge Base:

Back to the top