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 "Summary" section of this article. If you want to install the Adobe Flash Player update on an earlier version of Windows, try Adobe Flash Player download.

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 1709 and Windows Server Version 1709 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 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 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.

Windows Server 2012 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 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 2012 file information

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

Third-party information disclaimer

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4056887-X64.msu

1F812E471D170D2FAAEF2800EE3FAE2DE60EA1E9

E564144B01C374282334716C9C39D3BD08C69686F6E5151F244C1E089804F9CF

Windows10.0-KB4056887-X86.msu

BBA5787BFC11231A67ED9E6CFFBBE64E086E0CD5

DAC5CF32CA7A82D277AC844C42732C917DFF49B5F899EAD99EF95687154A72D2

Windows10.0-KB4056887-ARM64.msu

AACB91DD2D3BB2737CDAFB51D940CE5B0C7554D6

513C24AB61D6904FBF99FD3B9639FB52C178612563F6339511D11585424D5A4F

Windows 10 Version 1709 and Windows Server Version 1709 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,610

22-Dec-2017

13:45

Not applicable

Flash.ocx

28.0.0.137

28,868,088

22-Dec-2017

13:45

x64

Flashutil_activex.dll

28.0.0.137

708,592

22-Dec-2017

13:45

x64

Flashutil_activex.exe

28.0.0.137

989,688

22-Dec-2017

13:45

x64

Activex.vch

Not applicable

753,902

22-Dec-2017

13:45

Not applicable

Flash.ocx

28.0.0.137

22,312,944

22-Dec-2017

13:45

x86

Flashplayerapp.exe

28.0.0.137

835,576

22-Dec-2017

13:45

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

22-Dec-2017

13:45

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

22-Dec-2017

13:45

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

22-Dec-2017

13:45

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,902

22-Dec-2017

13:45

Not applicable

Flash.ocx

28.0.0.137

22,312,944

22-Dec-2017

13:45

x86

Flashplayerapp.exe

28.0.0.137

835,576

22-Dec-2017

13:45

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

22-Dec-2017

13:45

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

22-Dec-2017

13:45

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

22-Dec-2017

13:45

x86

For all supported ARM-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,902

22-Dec-2017

13:45

Not applicable

Flash.ocx

28.0.0.137

22,312,944

22-Dec-2017

13:45

x86

Flashplayerapp.exe

28.0.0.137

835,576

22-Dec-2017

13:45

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

22-Dec-2017

13:45

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

22-Dec-2017

13:45

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

22-Dec-2017

13:45

x86

Flash.ocx

28.0.0.137

19,166,712

22-Dec-2017

13:45

Not applicable

Flashplayerapp.exe

28.0.0.137

815,088

22-Dec-2017

13:45

Not applicable

Flashplayercplapp.cpl

28.0.0.137

163,312

22-Dec-2017

13:45

Not applicable

Flashutil_activex.dll

28.0.0.137

548,856

22-Dec-2017

13:45

Not applicable

Flashutil_activex.exe

28.0.0.137

848,368

22-Dec-2017

13:45

Not applicable

Windows 10 Version 1703 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4056887-X64.msu

8D14585B5615F3C636070FE569371F3D3F75C684

8810A58D84CACCDEF9F4205840F0A1A1879C929F47B69EC0D0C5206B336FC109

Windows10.0-KB4056887-X86.msu

46DEDCD34D35776B8785D78766C2056149187E55

1C4CA9B9E55B25E0086ED27AE47B86EDD744C7864C100E54BA20BDEC204E78C3

Windows 10 Version 1703 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,610

21-Dec-2017

04:35

Not applicable

Flash.ocx

28.0.0.137

28,868,088

21-Dec-2017

04:35

x64

Flashutil_activex.dll

28.0.0.137

708,592

21-Dec-2017

04:35

x64

Flashutil_activex.exe

28.0.0.137

989,688

21-Dec-2017

04:35

x64

Activex.vch

Not applicable

753,902

21-Dec-2017

04:35

Not applicable

Flash.ocx

28.0.0.137

22,312,944

21-Dec-2017

04:35

x86

Flashplayerapp.exe

28.0.0.137

835,576

21-Dec-2017

04:35

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

21-Dec-2017

04:35

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

21-Dec-2017

04:35

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

21-Dec-2017

04:35

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,902

21-Dec-2017

04:35

Not applicable

Flash.ocx

28.0.0.137

22,312,944

21-Dec-2017

04:35

x86

Flashplayerapp.exe

28.0.0.137

835,576

21-Dec-2017

04:35

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

21-Dec-2017

04:35

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

21-Dec-2017

04:35

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

21-Dec-2017

04:35

x86

Windows 10 Version 1607 and Windows Server 2016 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4056887-X64.msu

C790FC9C5B2D6F4946487F8FCE064F91ABA45BDA

8C701A89A76E68C176425CD82F22EEBAB4CAAF5F93FC4B2410EE2929297AE62A

Windows10.0-KB4056887-X86.msu

6B4CF4B2F95ED862EB914112BBFBEEB0222C581E

68CB5ADB07FD5A690E934C0804FF1C23159DD20F09EAF8335445882E910F66CC

Windows 10 Version 1607 and Windows Server 2016 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,610

21-Dec-2017

03:41

Not applicable

Flash.ocx

28.0.0.137

28,868,088

21-Dec-2017

03:41

x64

Flashutil_activex.dll

28.0.0.137

708,592

21-Dec-2017

03:41

x64

Flashutil_activex.exe

28.0.0.137

989,688

21-Dec-2017

03:41

x64

Activex.vch

Not applicable

753,902

21-Dec-2017

03:41

Not applicable

Flash.ocx

28.0.0.137

22,312,944

21-Dec-2017

03:41

x86

Flashplayerapp.exe

28.0.0.137

835,576

21-Dec-2017

03:41

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

21-Dec-2017

03:41

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

21-Dec-2017

03:41

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

21-Dec-2017

03:41

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,902

21-Dec-2017

03:41

Not applicable

Flash.ocx

28.0.0.137

22,312,944

21-Dec-2017

03:41

x86

Flashplayerapp.exe

28.0.0.137

835,576

21-Dec-2017

03:41

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

21-Dec-2017

03:41

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

21-Dec-2017

03:41

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

21-Dec-2017

03:41

x86

Windows 10 Version 1511 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4056887-X64.msu

9DC45F5AAB4A44CE99C4CE914F26983ED4CC65AC

B79A96936D9AF05C5F6060BB716EB8827FD43DA969FBFFE092B125C5440D3FA4

Windows10.0-KB4056887-X86.msu

01FC44DB1ABB9121ECB894F961FE47AF3E6E679F

B26E5A45F23983CDC12ED1DA85F2B22B2548F3136B4D3F6E4CE4CB6EDBC5BFAF

Windows 10 Version 1511 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,610

21-Dec-2017

02:59

Not applicable

Flash.ocx

28.0.0.137

28,868,088

21-Dec-2017

02:59

x64

Flashutil_activex.dll

28.0.0.137

708,592

21-Dec-2017

02:59

x64

Flashutil_activex.exe

28.0.0.137

989,688

21-Dec-2017

02:59

x64

Activex.vch

Not applicable

753,902

21-Dec-2017

02:59

Not applicable

Flash.ocx

28.0.0.137

22,312,944

21-Dec-2017

02:59

x86

Flashplayerapp.exe

28.0.0.137

835,576

21-Dec-2017

02:59

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

21-Dec-2017

02:59

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

21-Dec-2017

02:59

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

21-Dec-2017

02:59

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,902

21-Dec-2017

02:59

Not applicable

Flash.ocx

28.0.0.137

22,312,944

21-Dec-2017

02:59

x86

Flashplayerapp.exe

28.0.0.137

835,576

21-Dec-2017

02:59

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

21-Dec-2017

02:59

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

21-Dec-2017

02:59

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

21-Dec-2017

02:59

x86

Windows 10 RTM file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4056887-X64.msu

FCA8A311F0495E669715AE5AA0E0D8720F945049

C60C16BDA618C6D7F39BC644121C3CB6FCF9A94B3B19B3621CF8DFE7C9236034

Windows10.0-KB4056887-X86.msu

B28F8D3CC62E88C0A7CB1B27CC5250D57F435F80

74591BFE62BE25C5572602D7AA5ABB0BFD440007EADA37E18CA43A9FDD957658

Windows 10 RTM file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,610

22-Dec-2017

00:59

Not applicable

Flash.ocx

28.0.0.137

28,868,088

22-Dec-2017

00:59

x64

Flashutil_activex.dll

28.0.0.137

708,592

22-Dec-2017

00:59

x64

Flashutil_activex.exe

28.0.0.137

989,688

22-Dec-2017

00:59

x64

Activex.vch

Not applicable

753,902

22-Dec-2017

00:59

Not applicable

Flash.ocx

28.0.0.137

22,312,944

22-Dec-2017

00:59

x86

Flashplayerapp.exe

28.0.0.137

835,576

22-Dec-2017

00:59

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

22-Dec-2017

00:59

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

22-Dec-2017

00:59

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

22-Dec-2017

00:59

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,902

22-Dec-2017

00:59

Not applicable

Flash.ocx

28.0.0.137

22,312,944

22-Dec-2017

00:59

x86

Flashplayerapp.exe

28.0.0.137

835,576

22-Dec-2017

00:59

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

22-Dec-2017

00:59

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

22-Dec-2017

00:59

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

22-Dec-2017

00:59

x86

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

File hash information

File name

SHA1 hash

SHA256 hash

Windows8.1-KB4056887-X64.msu

22B8588F500373F224E0CFCB5BDD15F8D8C5F345

B0C2B01A45086786DC2D229F16CCD672C863A6636179B0DBB1E5ACEAA966DD32

Windows8.1-KB4056887-ARM.msu

E07A3B3B278074366AF23EFFE2AEC9BE9A6A6E5C

3E6EBBC5D78D444AF7ADBA49C78771A9B6D65892FADC9B123D7B68A651899AD1

Windows8.1-KB4056887-X86.msu

FD9D1FB7986367CA170564E7176FA5B9A79422CB

0ED305C8A136872E8D73C6E0BD0EF1D0F42782AB0B0BC0AD80798662C2268DAC

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,610

20-Dec-2017

23:56

Not applicable

Flash.ocx

28.0.0.137

28,868,088

20-Dec-2017

23:56

x64

Flashutil_activex.dll

28.0.0.137

708,592

20-Dec-2017

23:56

x64

Flashutil_activex.exe

28.0.0.137

989,688

20-Dec-2017

23:56

x64

Activex.vch

Not applicable

753,902

20-Dec-2017

23:55

Not applicable

Flash.ocx

28.0.0.137

22,312,944

20-Dec-2017

23:56

x86

Flashplayerapp.exe

28.0.0.137

835,576

20-Dec-2017

23:56

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

20-Dec-2017

23:56

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

20-Dec-2017

23:56

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

20-Dec-2017

23:56

x86

For all supported ARM-based versions

File name

File version

File size

Date

Time

Platform

Flash.ocx

28.0.0.137

19,166,712

20-Dec-2017

23:56

Not applicable

Flashplayerapp.exe

28.0.0.137

815,088

20-Dec-2017

23:56

Not applicable

Flashplayercplapp.cpl

28.0.0.137

163,312

20-Dec-2017

23:56

Not applicable

Flashutil_activex.dll

28.0.0.137

548,856

20-Dec-2017

23:56

Not applicable

Flashutil_activex.exe

28.0.0.137

848,368

20-Dec-2017

23:56

Not applicable

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

753,902

20-Dec-2017

23:55

Not applicable

Flash.ocx

28.0.0.137

22,312,944

20-Dec-2017

23:56

x86

Flashplayerapp.exe

28.0.0.137

835,576

20-Dec-2017

23:56

x86

Flashplayercplapp.cpl

28.0.0.137

177,648

20-Dec-2017

23:56

Not applicable

Flashutil_activex.dll

28.0.0.137

624,624

20-Dec-2017

23:56

x86

Flashutil_activex.exe

28.0.0.137

1,407,480

20-Dec-2017

23:56

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows8-RT-KB4056887-X64.msu

AE7F5EFD800CEA53D665DE4B81D2DE4071727865

A314D7C5B7F219898F068717AB16B90FE4390DDDDFD6F9C84CB79F6CD37F181A

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,610

20-Dec-2017

23:48

Not applicable

Flash.ocx

28.0.0.137

28,867,528

20-Dec-2017

23:48

x64

Flashutil_activex.dll

28.0.0.137

708,040

20-Dec-2017

23:48

x64

Flashutil_activex.exe

28.0.0.137

989,128

20-Dec-2017

23:48

x64

Activex.vch

Not applicable

753,902

20-Dec-2017

23:48

Not applicable

Flash.ocx

28.0.0.137

22,312,392

20-Dec-2017

23:48

x86

Flashplayerapp.exe

28.0.0.137

835,016

20-Dec-2017

23:48

x86

Flashplayercplapp.cpl

28.0.0.137

177,096

20-Dec-2017

23:48

Not applicable

Flashutil_activex.dll

28.0.0.137

624,072

20-Dec-2017

23:48

x86

Flashutil_activex.exe

28.0.0.137

1,406,920

20-Dec-2017

23:48

x86

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