Description of the security update for the Windows information disclosure vulnerability: October 10, 2017

Summary

An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.

To learn more about the vulnerability, go to CVE-2017-11817.

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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.

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.

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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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

**Note:**The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

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

File Information

File hash information

File name	SHA1 hash	SHA256 hash
Windows6.0-KB4041944-x64.msu	903B8DB0A748BF81531310E3DDE5A8D017C9B42A	D2E07DA7C35787C8A92FC43888E347ACC44B500EF43755794F26A531F824C1DB
Windows6.0-KB4041944-x86.msu	8576560A5824B661317380A3848AEA788C03A907	EEDA4754D2A12FD406CC4791138067CD72DD98C126E4211B792FDC66F9D285B9
Windows6.0-KB4041944-ia64.msu	3CA8EB5A78F02C34A472F8D556E801D00092442F	F4B810927D5A25498A92C24053FD8E732726913A4A78788B7669DAC2EB5D7446

For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Ntfs.sys	6.0.6002.24201	1,497,832	09-Sep-2017	15:53	x64

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Ntfs.sys	6.0.6002.24201	1,083,112	09-Sep-2017	15:55	x86

For all supported ia64-based versions

File name	File version	File size	Date	Time	Platform
Ntfs.sys	6.0.6002.24201	3,286,760	09-Sep-2017	15:40	IA-64