Summary

This security update resolves vulnerabilities in Adobe Flash Player that is installed on any supported edition of Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows 10, Windows 10 Version 1511, Windows 10 Version 1607, Windows 10 Version 1703, Windows 8.1, or Windows RT 8.1.

To learn more about the vulnerability, see ADV170010.

More Information

Important

  • All security and nonsecurity updates for Windows Server 2012 R2, Windows 8.1, and Windows RT 8.1 require the installation of update 2919355. We recommend that you install update 2919355 on your Windows Server 2012 R2-based, Windows 8.1-based, or Windows RT 8.1-based computer so that you receive future updates.

  • 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 require before you install this update. For more information, see Add language packs to Windows.

  • This update applies to the Windows operating systems that are listed in the "Applies to" section in this article. If you want to install Adobe Flash Player update on an earlier version of Windows, try Adobe Flash Player download.

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

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 get security updates automatically, see Windows Update: FAQ.

Note For Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Update Catalog

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

Detection and deployment

Windows 10 Version 1703 file information

 

Windows 10 Version 1607 and Windows Server 2016 file information

 

Windows 10 Version 1511 file information

 

Windows 10 RTM file information

 

Windows 8.1 and Windows Server 2012 R2 file 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 times may change when you perform certain operations on the files.

Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2 file information

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

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4034662-X64.msu

4C30CA1CE86C672F6830A9CD77485A9B80DA9078

ABCB3B64D7515685B076152266738BB8DEF5C84C9C9AD7F59D124E33575BD260

Windows10.0-KB4034662-X86.msu

DB090525A00677EA0C2C66844390E6CB3F4FA8FC

19D86CF765106070FA4C70B860309A77C3034D5472B32B824B768C7911F97F7A

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,170

31-Jul-2017

15:15

Not applicable

Flash.ocx

26.0.0.151

28,761,080

31-Jul-2017

15:15

x64

Flashutil_activex.dll

26.0.0.151

705,016

31-Jul-2017

15:15

x64

Flashutil_activex.exe

26.0.0.151

975,352

31-Jul-2017

15:15

x64

Activex.vch

Not applicable

749,054

31-Jul-2017

15:15

Not applicable

Flash.ocx

26.0.0.151

22,199,800

31-Jul-2017

15:15

x86

Flashplayerapp.exe

26.0.0.151

835,576

31-Jul-2017

15:15

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

31-Jul-2017

15:15

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

31-Jul-2017

15:15

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

31-Jul-2017

15:15

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

749,054

31-Jul-2017

15:15

Not applicable

Flash.ocx

26.0.0.151

22,199,800

31-Jul-2017

15:15

x86

Flashplayerapp.exe

26.0.0.151

835,576

31-Jul-2017

15:15

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

31-Jul-2017

15:15

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

31-Jul-2017

15:15

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

31-Jul-2017

15:15

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4034662-X64.msu

F2380AB75C39045FFDDE4FA875029E1B70BB5AEC

821F04C1C001709918DFDCBCA25673268B4E6B35ACB9BF3019C8FA891CD9A817

Windows10.0-KB4034662-X86.msu

E5F664BDB090B49E90F6A188D4873C6AFF38C1FB

AB4F4A3B9EF7FC9089F2A2491C71F8F92679943206F962568A44585D4F9F3081

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,170

31-Jul-2017

15:14

Not applicable

Flash.ocx

26.0.0.151

28,761,080

31-Jul-2017

15:14

x64

Flashutil_activex.dll

26.0.0.151

705,016

31-Jul-2017

15:14

x64

Flashutil_activex.exe

26.0.0.151

975,352

31-Jul-2017

15:14

x64

Activex.vch

Not applicable

749,054

31-Jul-2017

15:14

Not applicable

Flash.ocx

26.0.0.151

22,199,800

31-Jul-2017

15:14

x86

Flashplayerapp.exe

26.0.0.151

835,576

31-Jul-2017

15:14

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

31-Jul-2017

15:14

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

31-Jul-2017

15:14

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

31-Jul-2017

15:14

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

749,054

31-Jul-2017

15:14

Not applicable

Flash.ocx

26.0.0.151

22,199,800

31-Jul-2017

15:14

x86

Flashplayerapp.exe

26.0.0.151

835,576

31-Jul-2017

15:14

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

31-Jul-2017

15:14

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

31-Jul-2017

15:14

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

31-Jul-2017

15:14

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4034662-X64.msu

A0565042AA2D33BC240C274BC98A31E76128EB64

A750148961CF244D0D247F3626BCAB7F7D25AF4E21CAE1B6708BCE1FEA572614

Windows10.0-KB4034662-X86.msu

CBE70A9764B9AC0143C9B3EB10C53A24DF4BB609

0850A44A34153100AECB125AD3974E75701D5FCD0B2941E0B08EEA1B4EB6A806

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,170

29-Jul-2017

00:22

Not applicable

Flash.ocx

26.0.0.151

28,761,080

29-Jul-2017

00:22

x64

Flashutil_activex.dll

26.0.0.151

705,016

29-Jul-2017

00:22

x64

Flashutil_activex.exe

26.0.0.151

975,352

29-Jul-2017

00:22

x64

Activex.vch

Not applicable

749,054

29-Jul-2017

00:22

Not applicable

Flash.ocx

26.0.0.151

22,199,800

29-Jul-2017

00:22

x86

Flashplayerapp.exe

26.0.0.151

835,576

29-Jul-2017

00:22

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

29-Jul-2017

00:22

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

29-Jul-2017

00:22

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

29-Jul-2017

00:22

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

749,054

29-Jul-2017

00:22

Not applicable

Flash.ocx

26.0.0.151

22,199,800

29-Jul-2017

00:22

x86

Flashplayerapp.exe

26.0.0.151

835,576

29-Jul-2017

00:22

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

29-Jul-2017

00:22

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

29-Jul-2017

00:22

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

29-Jul-2017

00:22

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4034662-X64.msu

5C00C7EB0FC9CAAA69816D8B51CBE051A349BFB9

1D4CBE51041A580009150532654B02342773F3AD2AA8E190734F3F51F64FA9CC

Windows10.0-KB4034662-X86.msu

18E60B4EA4EF6A75F7250BDB479CCC775BF057C1

24D32D279566ED75FF8977F9A92008E8E7BA272FA044B705C987C7F1842CC8A8

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,170

29-Jul-2017

00:19

Not applicable

Flash.ocx

26.0.0.151

28,761,080

29-Jul-2017

00:19

x64

Flashutil_activex.dll

26.0.0.151

705,016

29-Jul-2017

00:19

x64

Flashutil_activex.exe

26.0.0.151

975,352

29-Jul-2017

00:19

x64

Activex.vch

Not applicable

749,054

29-Jul-2017

00:19

Not applicable

Flash.ocx

26.0.0.151

22,199,800

29-Jul-2017

00:19

x86

Flashplayerapp.exe

26.0.0.151

835,576

29-Jul-2017

00:19

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

29-Jul-2017

00:19

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

29-Jul-2017

00:19

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

29-Jul-2017

00:19

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

749,054

29-Jul-2017

00:19

Not applicable

Flash.ocx

26.0.0.151

22,199,800

29-Jul-2017

00:19

x86

Flashplayerapp.exe

26.0.0.151

835,576

29-Jul-2017

00:19

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

29-Jul-2017

00:19

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

29-Jul-2017

00:19

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

29-Jul-2017

00:19

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows8.1-KB4034662-X64.msu

CACA629E7162598E129CD3155A9F0D5A042663E0

CDB35F765CE969F871BE230492DF299A55C25DEA4ED0A349263BD1F9E74FDC00

Windows8.1-KB4034662-ARM.msu

7D4A511306578977D35BECB7BA7D51290CD9C52E

0B1CFB9A634ABF9447B4CB0BEA6EFD67B8A678575AABFD76FD2446DE16A78940

Windows8.1-KB4034662-X86.msu

A27CEB7E509B8F5983118DE224BF97DA3AC144AC

460BFB09FDB32E58A6C0CD794792A1ED4C751DF06F4A4565932FB9AE15461A42

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,170

29-Jul-2017

00:03

Not applicable

Flash.ocx

26.0.0.151

28,761,080

29-Jul-2017

00:03

x64

Flashutil_activex.dll

26.0.0.151

705,016

29-Jul-2017

00:03

x64

Flashutil_activex.exe

26.0.0.151

975,352

29-Jul-2017

00:03

x64

Activex.vch

Not applicable

749,054

29-Jul-2017

00:03

Not applicable

Flash.ocx

26.0.0.151

22,199,800

29-Jul-2017

00:03

x86

Flashplayerapp.exe

26.0.0.151

835,576

29-Jul-2017

00:03

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

29-Jul-2017

00:03

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

29-Jul-2017

00:03

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

29-Jul-2017

00:03

x86

For all supported ARM-based versions

File name

File version

File size

Date

Time

Platform

Flash.ocx

26.0.0.151

19,091,448

29-Jul-2017

00:03

Not applicable

Flashplayerapp.exe

26.0.0.151

814,584

29-Jul-2017

00:03

Not applicable

Flashplayercplapp.cpl

26.0.0.151

163,320

29-Jul-2017

00:03

Not applicable

Flashutil_activex.dll

26.0.0.151

546,296

29-Jul-2017

00:03

Not applicable

Flashutil_activex.exe

26.0.0.151

834,552

29-Jul-2017

00:03

Not applicable

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

749,054

29-Jul-2017

00:03

Not applicable

Flash.ocx

26.0.0.151

22,199,800

29-Jul-2017

00:03

x86

Flashplayerapp.exe

26.0.0.151

835,576

29-Jul-2017

00:03

x86

Flashplayercplapp.cpl

26.0.0.151

177,648

29-Jul-2017

00:03

Not applicable

Flashutil_activex.dll

26.0.0.151

621,560

29-Jul-2017

00:03

x86

Flashutil_activex.exe

26.0.0.151

1,359,864

29-Jul-2017

00:03

x86

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