Applies to:

Microsoft .NET Framework 3.5

Additional information about this security update

For more information about this security update as it relates to Windows 8.1, Windows RT 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 does not replace any previously released update.

File information

File hash

File name

SHA1 hash

SHA256 hash

Windows8.1-KB4470602-x64.msu

654816AC517F5FF12686D4B5A5A16EFAE8AAC31F

B2C205183DB26AEE0AD63D38EF7336F76335A3FA0DA0D040E90C0903AD376143

Windows8.1-KB4470602-x86.msu

BAB64BD4A87DBFAE37C89CB6A0AD0BEE15268359

72D92CFA6B5D03D1FBB955D86FE4C7A155480B9731A17B5255D04F38FCD66B4E


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.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:13

system.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:13


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

system.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:13

system.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:13

system.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:13


How to obtain help and support for this security update

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