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 KB 2919355. We recommend that you install update KB 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 need 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 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.

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 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 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-KB4074595-X64.msu

B09C8E2758C0F904CCE037922D06D4D3BBB340E5

0D15AD4E92FCBA8F62C416C9F0163AC0AD61E43A1EAA3820E82E3F7A78095089

Windows10.0-KB4074595-X86.msu

BC152E729B60DBB988D30BFE0B564E872A93F7F6

AD3BC7AFC7F29B00E979204C6E589A1673194329E7447E1E72E81BFECF7801B6

Windows10.0-KB4074595-ARM64.msu

21F87CAE920DCF2B91B16D7B0867F9FA5731FF31

49BD01CA76049034A5CA546F4903783A200F79BD59C4803F5685898B45906A68

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,646

06-Feb-2018

02:49

Not applicable

Flash.ocx

28.0.0.161

28,874,224

06-Feb-2018

02:49

x64

Flashutil_activex.dll

28.0.0.161

708,600

06-Feb-2018

02:49

x64

Flashutil_activex.exe

28.0.0.161

990,200

06-Feb-2018

02:49

x64

Activex.vch

Not applicable

754,642

06-Feb-2018

02:49

Not applicable

Flash.ocx

28.0.0.161

22,319,088

06-Feb-2018

02:49

x86

Flashplayerapp.exe

28.0.0.161

835,576

06-Feb-2018

02:49

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

06-Feb-2018

02:49

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

06-Feb-2018

02:49

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

06-Feb-2018

02:49

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

754,642

06-Feb-2018

02:49

Not applicable

Flash.ocx

28.0.0.161

22,319,088

06-Feb-2018

02:49

x86

Flashplayerapp.exe

28.0.0.161

835,576

06-Feb-2018

02:49

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

06-Feb-2018

02:49

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

06-Feb-2018

02:49

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

06-Feb-2018

02:49

x86

For all supported ARM-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

754,642

06-Feb-2018

02:49

Not applicable

Flash.ocx

28.0.0.161

22,319,088

06-Feb-2018

02:49

x86

Flashplayerapp.exe

28.0.0.161

835,576

06-Feb-2018

02:49

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

06-Feb-2018

02:49

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

06-Feb-2018

02:49

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

06-Feb-2018

02:49

x86

Flash.ocx

28.0.0.161

19,171,824

06-Feb-2018

02:49

Not applicable

Flashplayerapp.exe

28.0.0.161

815,096

06-Feb-2018

02:49

Not applicable

Flashplayercplapp.cpl

28.0.0.161

163,320

06-Feb-2018

02:49

Not applicable

Flashutil_activex.dll

28.0.0.161

548,856

06-Feb-2018

02:49

Not applicable

Flashutil_activex.exe

28.0.0.161

863,736

06-Feb-2018

02:49

Not applicable

Windows 10 Version 1703 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4074595-x64.msu

E2A24C298D059C4AED6BC8388B4D6C2685F3B42D

6336A30AC92FE4B9E6BFF01F34828124DB50F62E23D3AE9D54957B1C5453B669

Windows10.0-KB4074595-x86.msu

3AE6454EBD654715C3BAC52609775B7F2F61D76B

016A72BE71D0D371FA505484A9364AC333DD55C92CF120E2C246DC6C88D069B1

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,646

02-Feb-2018

20:34

Not applicable

Flash.ocx

28.0.0.161

28,874,224

02-Feb-2018

20:34

x64

Flashutil_activex.dll

28.0.0.161

708,600

02-Feb-2018

20:34

x64

Flashutil_activex.exe

28.0.0.161

990,200

02-Feb-2018

20:34

x64

Activex.vch

Not applicable

754,642

02-Feb-2018

20:34

Not applicable

Flash.ocx

28.0.0.161

22,319,088

02-Feb-2018

20:34

x86

Flashplayerapp.exe

28.0.0.161

835,576

02-Feb-2018

20:34

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

02-Feb-2018

20:34

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

02-Feb-2018

20:34

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

02-Feb-2018

20:34

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

754,642

02-Feb-2018

20:34

Not applicable

Flash.ocx

28.0.0.161

22,319,088

02-Feb-2018

20:34

x86

Flashplayerapp.exe

28.0.0.161

835,576

02-Feb-2018

20:34

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

02-Feb-2018

20:34

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

02-Feb-2018

20:34

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

02-Feb-2018

20:34

x86

Windows 10 Version 1607 and Windows Server 2016 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4074595-x64.msu

CCE072DB9687A1E719D7CE663650FEBDADCEB751

FE805F62AAB7AA636501CC9410B28BA37AD21E158B7ACBE21A5718748B76BF20

Windows10.0-KB4074595-x86.msu

FF2A6BEF90C646C4A77621825C227E4A02883921

1D0A6B0C04C012ADDAB20E67DFD36C972DC4CE42368433962299CDD6F1A6A7AE

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,646

02-Feb-2018

20:18

Not applicable

Flash.ocx

28.0.0.161

28,874,224

02-Feb-2018

20:18

x64

Flashutil_activex.dll

28.0.0.161

708,600

02-Feb-2018

20:18

x64

Flashutil_activex.exe

28.0.0.161

990,200

02-Feb-2018

20:18

x64

Activex.vch

Not applicable

754,642

02-Feb-2018

20:18

Not applicable

Flash.ocx

28.0.0.161

22,319,088

02-Feb-2018

20:18

x86

Flashplayerapp.exe

28.0.0.161

835,576

02-Feb-2018

20:18

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

02-Feb-2018

20:18

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

02-Feb-2018

20:18

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

02-Feb-2018

20:18

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

754,642

02-Feb-2018

20:18

Not applicable

Flash.ocx

28.0.0.161

22,319,088

02-Feb-2018

20:18

x86

Flashplayerapp.exe

28.0.0.161

835,576

02-Feb-2018

20:18

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

02-Feb-2018

20:18

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

02-Feb-2018

20:18

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

02-Feb-2018

20:18

x86

Windows 10 Version 1511 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4074595-X64.msu

7A9BB2F7E1C01B996DE254CCC88E4E379C84B52F

C7C66AC097C8391C1745508B26B81C104A2ECA87A91176E215953FF10976786C

Windows10.0-KB4074595-X86.msu

13CF86439C8582662803889A741E48BDF0989C22

116A629A4B55337A601CF2475C0B266DDBAFB3B0CFF4D489B67F711938653D09

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,646

05-Feb-2018

21:28

Not applicable

Flash.ocx

28.0.0.161

28,874,224

05-Feb-2018

21:28

x64

Flashutil_activex.dll

28.0.0.161

708,600

05-Feb-2018

21:28

x64

Flashutil_activex.exe

28.0.0.161

990,200

05-Feb-2018

21:28

x64

Activex.vch

Not applicable

754,642

05-Feb-2018

21:28

Not applicable

Flash.ocx

28.0.0.161

22,319,088

05-Feb-2018

21:28

x86

Flashplayerapp.exe

28.0.0.161

835,576

05-Feb-2018

21:28

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

05-Feb-2018

21:28

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

05-Feb-2018

21:28

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

05-Feb-2018

21:28

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

754,642

05-Feb-2018

21:28

Not applicable

Flash.ocx

28.0.0.161

22,319,088

05-Feb-2018

21:28

x86

Flashplayerapp.exe

28.0.0.161

835,576

05-Feb-2018

21:28

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

05-Feb-2018

21:28

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

05-Feb-2018

21:28

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

05-Feb-2018

21:28

x86

Windows 10 RTM file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows10.0-KB4074595-X64.msu

22DCD5428B5994AF05D82512644DC09B6BE83B26

68FCF99B1D976D3B241B28A31CB1205A24A61A6B6B6EDE7FC2191C4C04DCA166

Windows10.0-KB4074595-X86.msu

33C67AE86443D6FD992F44E253A492411EA3C251

35CED9C21B490EF85D8AEAA29D49CA267E57A0881142E69AFBB030EE0AC93E09

Windows 10 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,646

05-Feb-2018

20:34

Not applicable

Flash.ocx

28.0.0.161

28,874,224

05-Feb-2018

20:34

x64

Flashutil_activex.dll

28.0.0.161

708,600

05-Feb-2018

20:34

x64

Flashutil_activex.exe

28.0.0.161

990,200

05-Feb-2018

20:34

x64

Activex.vch

Not applicable

754,642

05-Feb-2018

20:34

Not applicable

Flash.ocx

28.0.0.161

22,319,088

05-Feb-2018

20:34

x86

Flashplayerapp.exe

28.0.0.161

835,576

05-Feb-2018

20:34

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

05-Feb-2018

20:34

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

05-Feb-2018

20:34

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

05-Feb-2018

20:34

x86

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

754,642

05-Feb-2018

20:34

Not applicable

Flash.ocx

28.0.0.161

22,319,088

05-Feb-2018

20:34

x86

Flashplayerapp.exe

28.0.0.161

835,576

05-Feb-2018

20:34

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

05-Feb-2018

20:34

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

05-Feb-2018

20:34

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

05-Feb-2018

20:34

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-KB4074595-X64.msu

12A95D152FCE8B4AA2A23630A1658AFB0A7D2305

63B494A37AC1CE4427DAF2A055C9C38EFC1C319C0E44CC19EC834AE16A5B63B8

Windows8.1-KB4074595-ARM.msu

866984B55A0E03BF9D0B5EB4E556B6B781FC06E5

1EAE61EDF056EBAEEB1D16388873B5DC728C42704E19EB2EAB01F1AC60C5E0E5

Windows8.1-KB4074595-X86.msu

FA731BCD2A2F099605BB531EB00CEE15DA3E55C0

0F886BC86423A0A1FF60186BC595AB5BAFBE5E34925A42F93C47956302A43B14

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,646

05-Feb-2018

20:38

Not applicable

Flash.ocx

28.0.0.161

28,874,224

05-Feb-2018

20:38

x64

Flashutil_activex.dll

28.0.0.161

708,600

05-Feb-2018

20:38

x64

Flashutil_activex.exe

28.0.0.161

990,200

05-Feb-2018

20:38

x64

Activex.vch

Not applicable

754,642

05-Feb-2018

20:38

Not applicable

Flash.ocx

28.0.0.161

22,319,088

05-Feb-2018

20:38

x86

Flashplayerapp.exe

28.0.0.161

835,576

05-Feb-2018

20:38

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

05-Feb-2018

20:38

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

05-Feb-2018

20:38

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

05-Feb-2018

20:38

x86

For all supported ARM-based versions

File name

File version

File size

Date

Time

Platform

Flash.ocx

28.0.0.161

19,171,824

05-Feb-2018

20:38

Not applicable

Flashplayerapp.exe

28.0.0.161

815,096

05-Feb-2018

20:38

Not applicable

Flashplayercplapp.cpl

28.0.0.161

163,320

05-Feb-2018

20:38

Not applicable

Flashutil_activex.dll

28.0.0.161

548,856

05-Feb-2018

20:38

Not applicable

Flashutil_activex.exe

28.0.0.161

863,736

05-Feb-2018

20:38

Not applicable

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

754,642

05-Feb-2018

20:38

Not applicable

Flash.ocx

28.0.0.161

22,319,088

05-Feb-2018

20:38

x86

Flashplayerapp.exe

28.0.0.161

835,576

05-Feb-2018

20:38

x86

Flashplayercplapp.cpl

28.0.0.161

177,648

05-Feb-2018

20:38

Not applicable

Flashutil_activex.dll

28.0.0.161

624,624

05-Feb-2018

20:38

x86

Flashutil_activex.exe

28.0.0.161

1,424,376

05-Feb-2018

20:38

x86

File hash information

File name

SHA1 hash

SHA256 hash

Windows8-RT-KB4074595-X64.msu

E3584214B35D663293C8945E259F4F3F4F490B04

ACD2416A25C306ACC377D0F6834C52397E4A0AA2F1D4BE315E7EDDF2490B590F

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Activex.vch

Not applicable

163,646

02-Feb-2018

21:17

Not applicable

Flash.ocx

28.0.0.161

28,873,680

02-Feb-2018

21:17

x64

Flashutil_activex.dll

28.0.0.161

708,048

02-Feb-2018

21:17

x64

Flashutil_activex.exe

28.0.0.161

989,648

02-Feb-2018

21:17

x64

Activex.vch

Not applicable

754,642

02-Feb-2018

21:17

Not applicable

Flash.ocx

28.0.0.161

22,318,544

02-Feb-2018

21:17

x86

Flashplayerapp.exe

28.0.0.161

835,024

02-Feb-2018

21:17

x86

Flashplayercplapp.cpl

28.0.0.161

177,104

02-Feb-2018

21:17

Not applicable

Flashutil_activex.dll

28.0.0.161

624,080

02-Feb-2018

21:17

x86

Flashutil_activex.exe

28.0.0.161

1,423,824

02-Feb-2018

21:17

x86

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.