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MS05-023: Vulnerabilities in Microsoft Word could lead to remote code execution

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.

This article has been archived. It is offered "as is" and will no longer be updated.
August 9, 2005:
  • After the release of this bulletin, it was determined that the vulnerability that is addressed in this bulletin also affects Microsoft Office Word 2003 Viewer. Microsoft has updated the bulletin with additional information about Microsoft Office Word 2003 Viewer. Also, this bulletin now directs users to the updated version of Microsoft Office Word 2003 Viewer.
  • Customers who are not using Microsoft Office Word 2003 Viewer and who have previously installed the security updates that are provided as part of the original release of this bulletin do not have to install the new security update.
Microsoft has released security bulletin MS05-023. The security bulletin contains all the relevant information about the security update. This includes the file manifest information and the deployment options. To view the security bulletin, visit the following Microsoft Web sites: This security update was first included in Office 2003 Service Pack 2. For more information about the latest service pack for Office 2003, click the following article number to view the article in the Microsoft Knowledge Base:
870924 How to obtain the latest service pack for Office 2003

Issues that the security update fixes

Besides the issues that are described in the security bulletin, this security update addresses the issues that are described in the following Microsoft Knowledge Base articles:
  • 887979 Description of the security update for Word 2003: April 12, 2005
  • 887978 Description of the security update for Word 2002: April 12, 2005
  • 887977 Description of the security update for Word 2000: April 12, 2005
Security Patch Performance Reliability Update Download Fix document Buffer overrun specially-crafted

Article ID: 890169 - Last Review: 01/15/2015 17:30:40 - Revision: 3.5

Microsoft Office Word 2003, Microsoft Office Word Viewer 2003, Microsoft Word 2002 Standard Edition, Microsoft Word 2000 Standard Edition

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