Additional information about this security update

For more information about this security update as it relates to Windows 7 SP1 and Windows Server 2008 R2 SP1, see the following article in the Microsoft Knowledge Base:

4099637 Security Only update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1 updates for Windows 7 SP1 and Server 2008 R2 SP1 (KB 4099637)

For more information about this security update as it relates to Windows Server 2008 SP2, see the following article in the Microsoft Knowledge Base:

4099640 Security Only update for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 updates for Windows Server 2008 SP2 (KB 4099640)

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.

  • For Windows 7 SP1 and Windows Server 2008 R2 SP1, install update KB 4099637.

  • For Windows Server 2008 SP2, install update KB 4099640.

Method 2: Windows Software Update Services (WSUS)

On your WSUS server, follow these steps:

  1. Click Start, click Administrative Tools, and then click Microsoft Windows Server Update Services 3.0.

  2. Expand ComputerName, and then click Action.

  3. Click Import Updates.

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

  5. After the control is installed, you see the Microsoft Update Catalog screen. Enter 4099637 for Windows 7 SP1 and Windows Server 2008 R2 SP1 or enter 4099640 for Windows Server 2008 SP2 into the Search box, and then click Search.

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

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

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

  9. After the packages are imported, click 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:

20180508 Security update deployment information: May 8, 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 information

File name

SHA1 hash

SHA256 hash

NDP45-KB4095519-x86.exe

8D17E1FD03E3741689EA0A6052A5930567C19AAE

83C3E6E1155D722D3807E15E40474B3198B400DA3F1DAEF77396CA7DE880FC71

NDP45-KB4095519-x64.exe

E239B7EB13F24EF5C88BCC1C1A6DE58B46751309

05DB746E1872F008EA2B2A796AA0777D7D78F45CBA59E8F54963B722514479C0

 Windows 7 and Windows Server 2008 R2 file information

For all supported x64-based versions

File name

File version

File size

Date

Time

clr.dll

4.0.30319.36440

6,938,232

28-Mar-2018

21:02

clrjit.dll

4.0.30319.36440

509,064

28-Mar-2018

21:02

mscordacwks.dll

4.0.30319.36440

1,284,248

28-Mar-2018

21:02

mscordbi.dll

4.0.30319.36440

1,107,600

28-Mar-2018

21:02

mscorlib.dll

4.0.30319.36440

5,266,064

28-Mar-2018

21:02

peverify.dll

4.0.30319.36440

163,984

28-Mar-2018

21:03

SOS.dll

4.0.30319.36440

762,488

28-Mar-2018

21:02

System.Security.dll

4.0.30319.36440

301,648

28-Mar-2018

21:02

msvcp120_clr0400.dll

12.0.52440.36440

536,752

28-Mar-2018

21:02

msvcr120_clr0400.dll

12.0.52440.36440

875,688

28-Mar-2018

21:02

For all supported x86-based versions

File name

File version

File size

Date

Time

clr.dll

4.0.30319.36440

10,070,136

28-Mar-2018

21:19

clr.dll

4.0.30319.36440

6,938,232

28-Mar-2018

21:02

clrjit.dll

4.0.30319.36440

1,234,568

28-Mar-2018

21:19

clrjit.dll

4.0.30319.36440

509,064

28-Mar-2018

21:02

mscordacwks.dll

4.0.30319.36440

1,731,224

28-Mar-2018

21:19

mscordacwks.dll

4.0.30319.36440

1,284,248

28-Mar-2018

21:02

mscordbi.dll

4.0.30319.36440

1,533,584

28-Mar-2018

21:19

mscordbi.dll

4.0.30319.36440

1,107,600

28-Mar-2018

21:02

mscorlib.dll

4.0.30319.36440

5,219,984

28-Mar-2018

21:19

mscorlib.dll

4.0.30319.36440

5,266,064

28-Mar-2018

21:02

peverify.dll

4.0.30319.36440

225,936

28-Mar-2018

21:19

peverify.dll

4.0.30319.36440

163,984

28-Mar-2018

21:03

SOS.dll

4.0.30319.36440

822,904

28-Mar-2018

21:19

SOS.dll

4.0.30319.36440

762,488

28-Mar-2018

21:02

System.Security.dll

4.0.30319.36440

301,648

28-Mar-2018

21:02

msvcp120_clr0400.dll

12.0.52440.36440

678,576

28-Mar-2018

21:19

msvcp120_clr0400.dll

12.0.52440.36440

536,752

28-Mar-2018

21:02

msvcr120_clr0400.dll

12.0.52440.36440

869,552

28-Mar-2018

21:19

msvcr120_clr0400.dll

12.0.52440.36440

875,688

28-Mar-2018

21:02

How to obtain help and support for this security update

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