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The version number of the Mfc42u.dll file is not updated when you apply security update MS07-012

Article ID: 933339 - View products that this article applies to.

SYMPTOMS

When you apply security update MS07-012, the version number of the Mfc42u.dll file is not updated. The Mfc42u.dll file is located in the following folder:

%windir%\System32

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This issue occurs because the updated version of the Mfc42u.dll file that is included for the Microsoft Windows operating systems that are listed in the "Applies to" section does not use a newer version number. The older version number (6.5.9146.0) is used on these Windows operating systems.

Note The Mfc42u.dll file may also be located in folders other than the %windir%\System32 folder. For example, the Mfc42u.dll file may also be located in the following folders:

%windir%\syswow64

%windir%\winSxS

The version number for the Mfc42u.dll file in these folders is correct.

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WORKAROUND

The security update for the Windows operating systems that are listed in the "Applies to" section is correctly offered on the Windows Update Web site. The update is offered despite the incorrect version number. Therefore, no additional action is required.

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MORE INFORMATION

For more information about security update MS07-012, click the following article number to view the article in the Microsoft Knowledge Base:

924667

(http://support.microsoft.com/kb/924667/ )

MS07-012: Vulnerability in Microsoft Foundation Classes could allow for remote code execution

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Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use

(http://go.microsoft.com/fwlink/?LinkId=151500)

for other considerations.

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