Summary

An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory.

To learn more about the vulnerability, see CVE-2017-8590.

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, 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, see the following article in the Microsoft Knowledge Base:

Security update deployment information: July 11, 2017

More Information


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

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-KB4026059-ia64.msu

5B53D0233D06F0ADA26688C82EA6C359612BCE10

0B593B064978220BA4A2671D8A48A2E031BE7B76364CCC956AF09A9B8965D3D5

Windows6.0-KB4026059-x86.msu

8ECFDE053DB96454E23516B0A968B1102F80B387

08B5C520947657AF18019957CAF69543CC20F94ED37EFD1849770964B426FC2A

Windows6.0-KB4026059-x64.msu

820075DAB16CEBA8324C3C5BB8438963BC3472B3

0350F3DC091BCA2C2EA99E132D21F1CA255C7837DBC2ADF60C32B47AF01FF85E

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

6.0.6002.19810

841,448

11-Jun-2017

22:27

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

6.0.6002.24130

841,448

11-Jun-2017

21:54

IA-64

Clfsuninstall.mof

Not applicable

123

07-Mar-2016

23:36

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

6.0.6002.19810

244,968

11-Jun-2017

22:37

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

6.0.6002.24130

244,968

11-Jun-2017

21:59

x86

Clfsuninstall.mof

Not applicable

123

07-Mar-2016

23:37

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

6.0.6002.19810

364,776

11-Jun-2017

22:54

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

6.0.6002.24130

364,776

11-Jun-2017

22:16

x64

Clfsuninstall.mof

Not applicable

123

07-Mar-2016

23:37

Not applicable

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