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MS12-046: Description of the security update for Microsoft Office 2003: July 10, 2012

Support for Office 2003 has ended

Microsoft ended support for Office 2003 on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Microsoft has released security bulletin MS12-046. To view the complete security bulletin, go to one of the following Microsoft websites: Note This update fixes a signing issue with the package that was originally released for MS12-046. This update provides a new certificate with a correct time stamp to sign the package. For more information about this signing issue, go to the following Microsoft TechNet webpage:

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help protect your computer that is running Windows from viruses and malware:Virus Solution and Security Center

Local support according to your country: International Support

Frequently Asked Questions

Q: If I already installed KB 2598361, do I have to reinstall this update?

A: No. If you installed the original update, you will not be affected by the signing issue that is mentioned in Microsoft Security Advisory (2749655).

Q: Are there any issues with installing this update on top of KB 2598361? 

A: You will receive a message that states that the package has already been installed. This is because this update contains no changes to the binary that is mentioned in Security Bulletin MS12-046.

Q: If you installed this update through Microsoft Update, do I have to install anything else? 

A: No. The update from Microsoft Update did not have the signing issue and was not affected by the issue that is mentioned in Microsoft Security Advisory (2749655).

Prerequisites to apply this security update

To install this security update, you must have Microsoft Office 2003 Service Pack 3 (SP3) installed on the computer.

For more information about how to obtain the service pack, click the following article number to view the article in the Microsoft Knowledge Base:
307841 How to obtain the latest service pack for Office 2003

Restart information

You may have to restart the computer after you install this security update.

Security update replacement information

This security update replaces the following security update:
974945 MS10-031: Description of the security update for Microsoft Visual Basic for Applications runtime: May 11, 2010

Removal information

After you install this security update, you cannot remove the update.

File information

The English (United States) version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
File NameFile VersionFile SizeDateTime
update security_patch security_update security bug flaw vulnerability malicious attacker exploit registry unauthenticated buffer overrun overflow specially-formed scope specially-crafted denial of service dos

Article ID: 2687626 - Last Review: 11/14/2012 14:22:00 - Revision: 3.1

  • Microsoft Office Basic Edition 2003
  • Microsoft Office Professional Edition 2003
  • Microsoft Office Professional Enterprise Edition 2003
  • Microsoft Office Small Business Edition 2003
  • Microsoft Office Standard Edition 2003
  • Microsoft Office Student and Teacher Edition 2003
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