Summary

This security update resolves a vulnerability in Microsoft Windows that could allow Information Disclosure when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. In a local attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to bypass security measures on the affected system allowing further exploitation.To learn more about the vulnerability, see Microsoft Security Bulletin MS16-153.

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.

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, seeWindows Update: FAQ.

Method 2: Microsoft Update Catalog

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

More Information

Help for installing updates: Support for Microsoft UpdateSecurity solutions for IT professionals: TechNet Security Troubleshooting and SupportHelp for protecting your Windows-based computer from viruses and malware: Virus Solution and Security CenterLocal support according to your country: International Support

File Information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB3203838-ia64.msu

59147DE4E99FC605246E53520B75B7938E697413

59970913B96C92BE213A033BFAD3264C3DDE86B1E37977E7DF6F4A9DBC85A9DF

Windows6.0-KB3203838-x64.msu

EF03EA9E979E5F104D287BA444E39C708A7FBA6E

78988B16B221DE58862D9B5F491E122750DB7752EAAE0FDE2CA7EC506DEE8A86

Windows6.0-KB3203838-x86.msu

52A70951BE03E526AB25774F31E424A9D9DBBA73

03F51AF42D7D40792FB11B49FF3FF011A13AEEDC0C2A42CCAAA99B893B1871EA

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows Vista and Windows Server 2008 file information

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

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Clfs.mof

Not applicable

3,472

03-Jan-2008

18:57

Not applicable

Clfs.sys

6.0.6002.19717

841,960

16-Nov-2016

16:54

IA-64

Clfsuninstall.mof

Not applicable

123

03-Jan-2008

18:57

Not applicable

Clfs.mof

Not applicable

3,472

07-Mar-2016

23:36

Not applicable

Clfs.sys

6.0.6002.24039

841,960

16-Nov-2016

16:23

IA-64

Clfsuninstall.mof

Not applicable

123

07-Mar-2016

23:36

Not applicable

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Clfs.mof

Not applicable

3,472

18-Sep-2006

21:36

Not applicable

Clfs.sys

6.0.6002.19717

364,776

16-Nov-2016

17:20

x64

Clfsuninstall.mof

Not applicable

123

18-Sep-2006

21:36

Not applicable

Clfs.mof

Not applicable

3,472

07-Mar-2016

23:37

Not applicable

Clfs.sys

6.0.6002.24039

364,776

16-Nov-2016

16:54

x64

Clfsuninstall.mof

Not applicable

123

07-Mar-2016

23:37

Not applicable

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Clfs.mof

Not applicable

3,472

18-Sep-2006

21:38

Not applicable

Clfs.sys

6.0.6002.19717

244,968

16-Nov-2016

17:55

x86

Clfsuninstall.mof

Not applicable

123

18-Sep-2006

21:39

Not applicable

Clfs.mof

Not applicable

3,472

07-Mar-2016

23:37

Not applicable

Clfs.sys

6.0.6002.24039

244,968

16-Nov-2016

16:29

x86

Clfsuninstall.mof

Not applicable

123

07-Mar-2016

23:37

Not applicable

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