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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. An attacker who successfully exploits this vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts that have full user rights. Users whose accounts are configured to have fewer user rights on the system could be less affected than users whose accounts have administrative user rights.

To learn more about the vulnerability, go to CVE-2017-0250.

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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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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, go to 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-KB4042050-x64.msu 81BE8E8CF2C57F2838F16C0FFE8C014AAD2EBCD0 3CAC49558029A977707CB6F997B6D182BACBE2EBE83BC1EDC69F83E5EA12F0B8
Windows6.0-KB4042050-ia64.msu 783718471B4BFF996E78354593869733D699C3CC 574FD84DB7A00CB3E54D61F5A1795DC66164F8FB402CE99881542FB2F048B5F2
Windows6.0-KB4042050-x86.msu 20091ACACA23D21D0FFD1BA7BCEBAA4E07BCE60C EC3613E043E4FA322D0E9DE734E8C5283538E1F807E8FCC57A063AF093870BFD


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 the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.

Windows Server 2008 file information

For all supported x64-based versions
File name File version File size Date Time Platform
Msjint40.dll 4.0.9801.1 8,704 09-Sep-2017 13:31 x86
Msjter40.dll 4.0.9801.0 83,968 02-Jul-2017 13:07 x86
Mswdat10.dll 4.0.9801.0 866,816 02-Jul-2017 13:07 x86
Mswstr10.dll 4.0.9801.1 640,512 09-Sep-2017 13:31 x86
For all supported ia64-based versions
File name File version File size Date Time Platform
Msjint40.dll 4.0.9801.1 8,704 09-Sep-2017 13:31 x86
Msjter40.dll 4.0.9801.0 83,968 02-Jul-2017 13:07 x86
Mswdat10.dll 4.0.9801.0 866,816 02-Jul-2017 13:07 x86
Mswstr10.dll 4.0.9801.1 640,512 09-Sep-2017 13:31 x86
For all supported x86-based versions
File name File version File size Date Time Platform
Msjint40.dll 4.0.9801.1 8,704 09-Sep-2017 13:31 x86
Msjter40.dll 4.0.9801.0 83,968 02-Jul-2017 13:07 x86
Mswdat10.dll 4.0.9801.0 866,816 02-Jul-2017 13:07 x86
Mswstr10.dll 4.0.9801.1 640,512 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 : 4042050
Revision : 15
Created on : 9/30/2017
Published on : 5/2/2018
Exists online : False
Views : 189