Description of the Security Only update for .NET Framework 4.5.2 for Windows 8.1 and Server 2012 R2 (KB 4470491)

Applies to:

Microsoft .NET Framework 4.5.2

Additional information about this security update

For more information about this security update as it relates to Windows 8.1 and Windows Server 2012 R2, see the following article in the Microsoft Knowledge Base:

4471983 Security Only updates for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 8.1 and Server 2012 R2 (KB 4471983)

How to obtain and install the update

Method 1: Microsoft Update Catalog

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

Method 2: Windows Software Update Services (WSUS)

On your WSUS server, follow these steps:

  1. Select Start, select Administrative Tools, and then select Microsoft Windows Server Update Services 3.0.

  2. Expand ComputerName, and then select Action.

  3. Select Import Updates.

  4. WSUS opens a browser window in which you may be prompted to install an ActiveX control. Install the ActiveX control to continue.

  5. After the ActiveX control is installed, you see the Microsoft Update Catalog screen. Type 4471983 in the Search box, and then select Search.

  6. Locate the .NET Framework packages that match the operating systems, languages, and processors in your environment. Select Add to add them to your basket.

  7. After you select all the packages that you need, select View Basket.

  8. To import the packages to your WSUS server, select Import.

  9. After the packages are imported, select Close to return to WSUS.

The updates are now available for installation through WSUS.

Update deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

20181211 Security update deployment information: December 11, 2018

Update removal information

Note We do not recommend that you remove any security update. To remove this update, use the Programs and Features item in Control Panel.

Update restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

Update replacement information

This update replaces updates KB 3098779 and KB 3037579.

File information

File hash

File name

SHA1 hash

SHA256 hash

Windows8.1-KB4470491-x86.msu

295E7F6B3CDAF88CD4DE7EAFF2A198F52DD4F6F4

93349877C8A3E4C90CE86DCD25AD73F229D57E6F5DB7714B250F841401F4485C

Windows8.1-KB4470491-x64.msu

59516C1B07B4C9CAE2B38943D96375315C13B9CE

F38E49313405667FFED2ADB80F1A36677D36B7AA9E9928243D9345692C764DA7

Windows8.1-KB4470491-arm.msu

A45B3193007BBF8392FF1CDB759556F12C2B9E4A

A93DD625DD3F205DCA338B8BB71293CA5BBC6B70D5D3492B4095E34C443F285B

File attributes for all supported x86-based systems

The English (United States) version of this 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.

File name

File version

File size

Date

Time

system.web.applicationservices.dll

4.0.30319.36480

71,208

02-Nov-2018

13:14

system.web.extensions.dll

4.0.30319.36480

1,859,568

02-Nov-2018

13:14

system.web.mobile.dll

4.0.30319.36480

839,768

09-Nov-2018

14:12

aspnet_perf.h

7,177

27-Oct-2017

23:27

aspnet_perf2.ini

995,542

27-Oct-2017

23:27

aspnet_perf2_d.ini

31

27-Oct-2017

23:27

aspnet_state_perf.h

318

27-Oct-2017

23:27

aspnet_state_perf.ini

42,996

27-Oct-2017

23:27

aspnet_state_perf_d.ini

36

27-Oct-2017

23:27

aspnet_perf.dll

4.0.30319.36480

41,536

07-Nov-2018

14:12

aspnet_state_perf.h

318

27-Oct-2017

23:27

aspnet_state_perf.ini

42,996

27-Oct-2017

23:27

aspnet_wp.exe

4.0.30319.36480

43,016

02-Nov-2018

13:14

msvcp120_clr0400.dll

12.0.52480.36480

536,856

02-Nov-2018

13:14

msvcr120_clr0400.dll

12.0.52480.36480

875,800

02-Nov-2018

13:14

system.web.extensions.dll

4.0.30319.36480

1,859,568

02-Nov-2018

13:14

webengine4.dll

4.0.30319.36480

509,696

02-Nov-2018

13:14

webengine.dll

4.0.30319.36480

24,832

02-Nov-2018

13:14

system.web.dll

4.0.30319.36480

5,464,640

02-Nov-2018

13:14


File attributes for all supported x64-based systems

The English (United States) version of this 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.

File name

File version

File size

Date

Time

aspnet_perf.h

7,177

07-Nov-2017

17:47

aspnet_perf2.ini

995,542

07-Nov-2017

17:47

aspnet_perf2_d.ini

31

07-Nov-2017

17:47

aspnet_state_perf.h

318

07-Nov-2017

17:47

aspnet_state_perf.ini

42,996

07-Nov-2017

17:47

aspnet_state_perf_d.ini

36

07-Nov-2017

17:47

aspnet_perf.dll

4.0.30319.36480

45,120

07-Nov-2018

14:11

aspnet_state_perf.h

318

07-Nov-2017

17:47

aspnet_state_perf.ini

42,996

07-Nov-2017

17:47

aspnet_wp.exe

4.0.30319.36480

47,624

03-Nov-2018

13:13

msvcp120_clr0400.dll

12.0.52480.36480

678,488

03-Nov-2018

13:14

msvcr120_clr0400.dll

12.0.52480.36480

869,464

03-Nov-2018

13:14

system.web.applicationservices.dll

4.0.30319.36480

71,208

03-Nov-2018

13:14

system.web.extensions.dll

4.0.30319.36480

1,859,568

03-Nov-2018

13:14

system.web.mobile.dll

4.0.30319.36480

839,768

09-Nov-2018

14:12

webengine4.dll

4.0.30319.36480

621,112

03-Nov-2018

13:14

webengine.dll

4.0.30319.36480

26,680

03-Nov-2018

13:14

system.web.dll

4.0.30319.36480

5,457,984

03-Nov-2018

13:14

system.web.applicationservices.dll

4.0.30319.36480

71,208

02-Nov-2018

13:14

system.web.extensions.dll

4.0.30319.36480

1,859,568

02-Nov-2018

13:14

system.web.mobile.dll

4.0.30319.36480

839,768

09-Nov-2018

14:12

aspnet_perf.dll

4.0.30319.36480

41,536

07-Nov-2018

14:12

aspnet_state_perf.h

318

27-Oct-2017

23:27

aspnet_state_perf.ini

42,996

27-Oct-2017

23:27

aspnet_wp.exe

4.0.30319.36480

43,016

02-Nov-2018

13:14

msvcp120_clr0400.dll

12.0.52480.36480

536,856

02-Nov-2018

13:14

msvcr120_clr0400.dll

12.0.52480.36480

875,800

02-Nov-2018

13:14

system.web.extensions.dll

4.0.30319.36480

1,859,568

02-Nov-2018

13:14

webengine4.dll

4.0.30319.36480

509,696

02-Nov-2018

13:14

webengine.dll

4.0.30319.36480

24,832

02-Nov-2018

13:14

system.web.dll

4.0.30319.36480

5,464,640

02-Nov-2018

13:14


File attributes for all supported ARM-based systems

The English (United States) version of this 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.

File name

File version

File size

Date

Time

msvcp120_clr0400.dll

12.0.52480.36480

601,888

02-Nov-2018

13:13

msvcr120_clr0400.dll

12.0.52480.36480

634,144

02-Nov-2018

13:13

system.web.extensions.dll

4.0.30319.36241

1,859,240

27-Oct-2018

13:15

system.web.dll

4.0.30319.36480

5,465,352

02-Nov-2018

13:13

system.web.applicationservices.dll

4.0.30319.36480

71,208

02-Nov-2018

13:13

system.web.extensions.dll

4.0.30319.36241

1,859,240

27-Oct-2018

13:15


How to obtain help and support for this security update

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