Microsoft KB Archive/249881

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OFF: Patch Available for "Malformed Conversion Data" Vulnerability (East Asian Word)

Article ID: 249881

Article Last Modified on 7/16/2007


  • Microsoft Word 2000 Standard Edition
  • Microsoft Word 97 Standard Edition
  • Microsoft Works Suite 2000
  • Microsoft Office 2000 with MultiLanguage Pack
  • Microsoft PowerPoint 2000 Standard Edition
  • Microsoft PowerPoint 97 Standard Edition

This article was previously published under Q249881

NOTE: The information in this article applies to the East Asian version%3 of the products listed above. The information in this article also applies to the following products, in addition to the products listed above:

  • Microsoft Office 97 Powered by Word 98 for Windows (Japan only)
  • Microsoft Word 98 for Windows (Japan only)
  • Microsoft Converter Pack 2000


A conversion utility that is included as part of the East Asian versions of the products listed above contains a potential security problem. The utility converts Microsoft Word 5.x documents into the newer file format.

Microsoft has released a patch that eliminates this vulnerability. To download the patch, click the appropriate hyperlink below:

You can also download the patch and learn more about it from the following security bulletin. To view this bulletin, click the following hyperlink:

NOTE: When you install the patch on Word 2000, if the converter is not already installed, you may receive the following message:

The update completed with some errors. Please see the following log file: (C:\jpnwin\temp\ww5upd.log)

To temporarily work around this problem, install the Word 5.x converter before running the patch.


To resolve this problem, obtain Microsoft Office 2000 Service Release 1/1a (SR-1/SR-1a).

To obtain SR-1/SR-1a, click the article number below to view the article in the Microsoft Knowledge Base:

245025 OFF2000: How to Obtain and Install Microsoft Office 2000 Service Release 1/1a (SR-1/SR-1a)


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was corrected in Microsoft Office 2000 SR-1/SR-1a.


For a list of frequently asked questions regarding this vulnerability, click the following hyperlink:

Keywords: kbdownload kbbug kbfix kbofficeupdate KB249881