Summary

A remote code execution vulnerability exists when Windows Search handles objects in memory. An attacker who successfully exploits this vulnerability could take control of the affected system. The attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

To learn more about the vulnerability, go to CVE-2017-8620.

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: August 8, 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 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 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-KB4034034-ia64.msu

31FF2FED13E9E4012A6FBA11AC29E5715861F96E

EE9CE21F31740E582F46559BB34474CE5B0B88B51E8798B9824077591897DB3A

Windows6.0-KB4034034-x86.msu

E78D2C0D95D46EACC512E9F73E9B92955C0B1B7E

DDDB2AEBFDB6D292B1219994AF6E83062014E2471093E1008A3C77FEE4E9F1FE

Windows6.0-KB4034034-x64.msu

7CDC4B900F42569BAF923955CF740F3672B1D874

2A294D9830EC05DA42D703BAB75CC49A48E06DF3C8F798AF7D4B6135A9A3B866

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Query.dll

6.0.6002.19836

4,434,432

09-Jul-2017

15:59

IA-64

Query.dll

6.0.6002.24154

4,434,432

07-Jul-2017

22:10

IA-64

Query.dll

6.0.6002.19836

1,382,400

09-Jul-2017

16:12

x86

Query.dll

6.0.6002.24154

1,382,400

07-Jul-2017

22:11

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Query.dll

6.0.6002.19836

1,382,400

09-Jul-2017

16:12

x86

Query.dll

6.0.6002.24154

1,382,400

07-Jul-2017

22:11

x86

Gsrvctr.h

Not applicable

2,590

16-Apr-2008

00:45

Not applicable

Gsrvctr.ini

Not applicable

30,628

16-Apr-2008

00:45

Not applicable

Gthrctr.h

Not applicable

3,100

16-Apr-2008

00:44

Not applicable

Gthrctr.ini

Not applicable

31,698

16-Apr-2008

00:44

Not applicable

Idxcntrs.h

Not applicable

4,640

16-Apr-2008

00:46

Not applicable

Idxcntrs.ini

Not applicable

20,698

16-Apr-2008

00:46

Not applicable

Msscb.dll

7.0.6002.19805

35,328

02-Jun-2017

07:00

x86

Msscntrs.dll

7.0.6002.19805

60,416

02-Jun-2017

07:00

x86

Msshooks.dll

7.0.6002.18005

11,776

11-Apr-2009

06:28

x86

Mssitlb.dll

7.0.6002.19805

87,040

02-Jun-2017

07:00

x86

Mssph.dll

7.0.6002.19805

351,744

02-Jun-2017

07:00

x86

Mssphtb.dll

7.0.6002.19805

203,264

02-Jun-2017

07:00

x86

Mssprxy.dll

7.0.6002.18005

33,280

11-Apr-2009

06:28

x86

Mssrch.dll

7.0.6002.19805

1,480,192

02-Jun-2017

07:00

x86

Msstrc.dll

7.0.6002.19805

43,008

02-Jun-2017

07:00

x86

Mssvp.dll

7.0.6002.19805

670,720

02-Jun-2017

07:00

x86

Propdefs.dll

7.0.6002.19805

71,168

02-Jun-2017

07:00

x86

Searchfilterhost.exe

7.0.6002.19805

87,552

02-Jun-2017

05:32

x86

Searchindexer.exe

7.0.6002.19805

440,832

02-Jun-2017

05:33

x86

Searchprotocolhost.exe

7.0.6002.19805

185,344

02-Jun-2017

05:33

x86

Tquery.dll

7.0.6002.19836

1,577,472

09-Jul-2017

16:12

x86

Gsrvctr.h

Not applicable

2,590

07-Mar-2016

23:36

Not applicable

Gsrvctr.ini

Not applicable

30,628

07-Mar-2016

23:36

Not applicable

Gthrctr.h

Not applicable

3,100

07-Mar-2016

23:36

Not applicable

Gthrctr.ini

Not applicable

31,698

07-Mar-2016

23:36

Not applicable

Idxcntrs.h

Not applicable

4,640

07-Mar-2016

23:36

Not applicable

Idxcntrs.ini

Not applicable

20,698

07-Mar-2016

23:36

Not applicable

Msscb.dll

7.0.6002.24154

35,328

07-Jul-2017

22:11

x86

Msscntrs.dll

7.0.6002.24154

60,416

07-Jul-2017

22:11

x86

Msshooks.dll

7.0.6002.24154

11,776

07-Jul-2017

22:11

x86

Mssitlb.dll

7.0.6002.24154

87,040

07-Jul-2017

22:11

x86

Mssph.dll

7.0.6002.24154

351,744

07-Jul-2017

22:11

x86

Mssphtb.dll

7.0.6002.24154

203,264

07-Jul-2017

22:11

x86

Mssprxy.dll

7.0.6002.24154

33,280

07-Jul-2017

22:11

x86

Mssrch.dll

7.0.6002.24154

1,480,192

07-Jul-2017

22:11

x86

Msstrc.dll

7.0.6002.24154

43,008

07-Jul-2017

22:11

x86

Mssvp.dll

7.0.6002.24154

670,720

07-Jul-2017

22:11

x86

Propdefs.dll

7.0.6002.24154

71,168

07-Jul-2017

22:11

x86

Searchfilterhost.exe

7.0.6002.24154

87,552

07-Jul-2017

21:28

x86

Searchindexer.exe

7.0.6002.24154

441,344

07-Jul-2017

21:29

x86

Searchprotocolhost.exe

7.0.6002.24154

185,344

07-Jul-2017

21:28

x86

Tquery.dll

7.0.6002.24154

1,577,472

07-Jul-2017

22:12

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Query.dll

6.0.6002.19836

2,031,104

09-Jul-2017

16:35

x64

Query.dll

6.0.6002.24154

2,030,080

07-Jul-2017

22:43

x64

Gsrvctr.h

Not applicable

2,590

03-Sep-2008

18:46

Not applicable

Gsrvctr.ini

Not applicable

30,628

03-Sep-2008

18:46

Not applicable

Gthrctr.h

Not applicable

3,100

03-Sep-2008

18:46

Not applicable

Gthrctr.ini

Not applicable

31,698

03-Sep-2008

18:46

Not applicable

Idxcntrs.h

Not applicable

4,640

03-Sep-2008

18:48

Not applicable

Idxcntrs.ini

Not applicable

20,698

03-Sep-2008

18:48

Not applicable

Msscb.dll

7.0.6002.19805

44,544

02-Jun-2017

07:15

x64

Msscntrs.dll

7.0.6002.19805

73,728

02-Jun-2017

07:15

x64

Msshooks.dll

7.0.6002.18005

11,776

11-Apr-2009

07:11

x64

Mssitlb.dll

7.0.6002.19805

87,552

02-Jun-2017

07:15

x64

Mssph.dll

7.0.6002.19805

500,736

02-Jun-2017

07:15

x64

Mssphtb.dll

7.0.6002.19805

312,832

02-Jun-2017

07:15

x64

Mssprxy.dll

7.0.6002.18005

40,448

11-Apr-2009

07:11

x64

Mssrch.dll

7.0.6002.19805

2,279,936

02-Jun-2017

07:15

x64

Msstrc.dll

7.0.6002.19805

78,336

02-Jun-2017

07:15

x64

Mssvp.dll

7.0.6002.19805

796,672

02-Jun-2017

07:15

x64

Propdefs.dll

7.0.6002.19805

80,896

02-Jun-2017

07:16

x64

Searchfilterhost.exe

7.0.6002.19805

111,616

02-Jun-2017

05:56

x64

Searchindexer.exe

7.0.6002.19805

596,992

02-Jun-2017

05:57

x64

Searchprotocolhost.exe

7.0.6002.19805

258,560

02-Jun-2017

05:58

x64

Tquery.dll

7.0.6002.19836

2,206,208

09-Jul-2017

16:35

x64

Gsrvctr.h

Not applicable

2,590

07-Mar-2016

23:36

Not applicable

Gsrvctr.ini

Not applicable

30,628

07-Mar-2016

23:36

Not applicable

Gthrctr.h

Not applicable

3,100

07-Mar-2016

23:36

Not applicable

Gthrctr.ini

Not applicable

31,698

07-Mar-2016

23:36

Not applicable

Idxcntrs.h

Not applicable

4,640

07-Mar-2016

23:36

Not applicable

Idxcntrs.ini

Not applicable

20,698

07-Mar-2016

23:36

Not applicable

Msscb.dll

7.0.6002.24154

44,544

07-Jul-2017

22:43

x64

Msscntrs.dll

7.0.6002.24154

74,240

07-Jul-2017

22:43

x64

Msshooks.dll

7.0.6002.24154

11,776

07-Jul-2017

22:43

x64

Mssitlb.dll

7.0.6002.24154

87,552

07-Jul-2017

22:43

x64

Mssph.dll

7.0.6002.24154

501,248

07-Jul-2017

22:43

x64

Mssphtb.dll

7.0.6002.24154

313,344

07-Jul-2017

22:43

x64

Mssprxy.dll

7.0.6002.24154

40,448

07-Jul-2017

22:43

x64

Mssrch.dll

7.0.6002.24154

2,279,936

07-Jul-2017

22:43

x64

Msstrc.dll

7.0.6002.24154

78,848

07-Jul-2017

22:43

x64

Mssvp.dll

7.0.6002.24154

797,184

07-Jul-2017

22:43

x64

Propdefs.dll

7.0.6002.24154

80,896

07-Jul-2017

22:43

x64

Searchfilterhost.exe

7.0.6002.24154

112,128

07-Jul-2017

22:06

x64

Searchindexer.exe

7.0.6002.24154

597,504

07-Jul-2017

22:08

x64

Searchprotocolhost.exe

7.0.6002.24154

259,072

07-Jul-2017

22:07

x64

Tquery.dll

7.0.6002.24154

2,206,720

07-Jul-2017

22:44

x64

Msscb.dll

7.0.6002.19805

35,328

02-Jun-2017

07:00

x86

Msscntrs.dll

7.0.6002.19805

60,416

02-Jun-2017

07:00

x86

Msshooks.dll

7.0.6002.18005

11,776

11-Apr-2009

06:28

x86

Mssitlb.dll

7.0.6002.19805

87,040

02-Jun-2017

07:00

x86

Mssph.dll

7.0.6002.19805

351,744

02-Jun-2017

07:00

x86

Mssphtb.dll

7.0.6002.19805

203,264

02-Jun-2017

07:00

x86

Mssprxy.dll

7.0.6002.18005

33,280

11-Apr-2009

06:28

x86

Mssrch.dll

7.0.6002.19805

1,480,192

02-Jun-2017

07:00

x86

Msstrc.dll

7.0.6002.19805

43,008

02-Jun-2017

07:00

x86

Mssvp.dll

7.0.6002.19805

670,720

02-Jun-2017

07:00

x86

Propdefs.dll

7.0.6002.19805

71,168

02-Jun-2017

07:00

x86

Searchfilterhost.exe

7.0.6002.19805

87,552

02-Jun-2017

05:32

x86

Searchindexer.exe

7.0.6002.19805

440,832

02-Jun-2017

05:33

x86

Searchprotocolhost.exe

7.0.6002.19805

185,344

02-Jun-2017

05:33

x86

Tquery.dll

7.0.6002.19836

1,577,472

09-Jul-2017

16:12

x86

Msscb.dll

7.0.6002.24154

35,328

07-Jul-2017

22:11

x86

Msscntrs.dll

7.0.6002.24154

60,416

07-Jul-2017

22:11

x86

Msshooks.dll

7.0.6002.24154

11,776

07-Jul-2017

22:11

x86

Mssitlb.dll

7.0.6002.24154

87,040

07-Jul-2017

22:11

x86

Mssph.dll

7.0.6002.24154

351,744

07-Jul-2017

22:11

x86

Mssphtb.dll

7.0.6002.24154

203,264

07-Jul-2017

22:11

x86

Mssprxy.dll

7.0.6002.24154

33,280

07-Jul-2017

22:11

x86

Mssrch.dll

7.0.6002.24154

1,480,192

07-Jul-2017

22:11

x86

Msstrc.dll

7.0.6002.24154

43,008

07-Jul-2017

22:11

x86

Mssvp.dll

7.0.6002.24154

670,720

07-Jul-2017

22:11

x86

Propdefs.dll

7.0.6002.24154

71,168

07-Jul-2017

22:11

x86

Searchfilterhost.exe

7.0.6002.24154

87,552

07-Jul-2017

21:28

x86

Searchindexer.exe

7.0.6002.24154

441,344

07-Jul-2017

21:29

x86

Searchprotocolhost.exe

7.0.6002.24154

185,344

07-Jul-2017

21:28

x86

Tquery.dll

7.0.6002.24154

1,577,472

07-Jul-2017

22:12

x86

Query.dll

6.0.6002.19836

1,382,400

09-Jul-2017

16:12

x86

Query.dll

6.0.6002.24154

1,382,400

07-Jul-2017

22:11

x86

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