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  2. Description of the security update for the Microsoft Jet database engine remote code execution vulnerability: October 10, 2017

Description of the security update for the Microsoft Jet database engine remote code execution vulnerability: October 10, 2017

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Summary

A buffer overflow vulnerability exists in the Microsoft Jet Database Engine that could allow remote code execution on an affected system.

To learn more about the vulnerabilities, go to the Security Update Guide.

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More Information

Important
 
  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

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Known issues in this security update

  • Installing this update may cause applications based on the Microsoft JET Database Engine (Microsoft Access 2007 and older or non-Microsoft applications) to fail when creating or opening Microsoft Excel .xls files. When the problem occurs, you receive the following error:
    Unexpected error from external database driver (1). (Microsoft JET Database Engine)

    To resolve this issue, install the following update:
    4050795  "Unexpected error from external database driver" error when you create or open Microsoft Excel .xls files

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How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

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Deployment information

For deployment details for this security update, see the following article in the Microsoft Knowledge Base:

Security update deployment information: October 10, 2017

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More Information

How to obtain help and support for this security update
Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

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File Information

File hash information
File name SHA1 hash SHA256 hash
Windows6.0-KB4042007-ia64.msu ED2FF495940B28EFA0F3B9BE49BEDE7B9920E3B5 0355A584F7D5B55A69700C6E22AA2F6F04E03A6D513276CC3DBE1A8FB13ABEA6
Windows6.0-KB4042007-x64.msu 6893891EDEC18AE242769C50B555E501F4E79C68 0D8C862A1C5D23E7FF1417554170DED3E11460715B1E7FD1C25EEBEB49636DAD
Windows6.0-KB4042007-x86.msu 51E8217EE9C6914EA11DE5FD47663E6CFB36CF72 A1DD4A1809C1895E078968582C8776872CA6A5AAAB5F0075C951612BB328D9A4


File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight-saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows Server 2008 file information

For all supported ia64-based versions
File name File version File size Date Time Platform
Msexcl40.dll 4.0.9801.1 345,088 09-Sep-2017 13:31 x86
For all supported x64-based versions
File name File version File size Date Time Platform
Msexcl40.dll 4.0.9801.1 345,088 09-Sep-2017 13:31 x86
For all supported x86-based versions
File name File version File size Date Time Platform
Msexcl40.dll 4.0.9801.1 345,088 09-Sep-2017 13:31 x86

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Keywords: kb, atdownload, kbbug, kbexpertiseinter, kbfix, kblangall, kbmustloc, kbsecbulletin, kbsecreview, kbsecurity, kbsecvulnerability, kbsurveynew

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Article Info
Article ID : 4042007
Revision : 12
Created on : 12/14/2017
Published on : 12/14/2017
Exists online : False
Views : 174