Applies to:

Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2

Summary

An elevation of privilege vulnerability exists when the .NET Framework common language runtime (CLR) allows file creation in arbitrary locations. An attacker who successfully exploited this vulnerability could write files to folders that require higher privileges than what the attacker already has.

To learn more about the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE).

Important

  • All updates for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 require that the d3dcompiler_47.dll update is installed. We recommend that you install the included d3dcompiler_47.dll update before you apply this update. For more information about the d3dcompiler_47.dll, see KB 4019990.

  • 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.

Additional information about this update

The following articles contain additional information about this update as it relates to individual product versions.

  • 4514598 Description of the Security Only Update for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB4514598)

How to obtain and install the update

Method 1: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog website.

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. You must install the ActiveX control to continue.

  5. After the ActiveX control is installed, you see the Microsoft Update Catalog screen. Type 4514598 into 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 require, 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:

20190910 Security update deployment information: September 10, 2019

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.


File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows Server 2012 file information

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

File information

File hash information

File name

SHA1 hash

SHA256 hash

Windows8-RT-KB4514337-x64.msu

104EFD66A4744546E005BFCBEB90B2133245106F

2968D15D746C8E88D8FE51A9E457831ED251140A1EC36DA5D9008AC78253D624

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Mscorlib.dll

4.7.3460.0

5,427,992

25-Jul-2019

23:06

x64

Normidna.nlp

Not applicable

59,342

19-Apr-2018

17:07

Not applicable

Normnfc.nlp

Not applicable

47,076

19-Apr-2018

17:07

Not applicable

Normnfd.nlp

Not applicable

40,566

19-Apr-2018

17:07

Not applicable

Normnfkc.nlp

Not applicable

67,808

19-Apr-2018

17:07

Not applicable

Normnfkd.nlp

Not applicable

61,718

19-Apr-2018

17:07

Not applicable

Clrjit.dll

4.7.3460.0

1,222,640

25-Jul-2019

23:06

x64

Clr.dll

4.7.3460.0

10,381,080

25-Jul-2019

23:06

x64

Compatjit.dll

4.7.3460.0

1,260,312

25-Jul-2019

23:06

x64

Mscordacwks.dll

4.7.3460.0

1,841,432

25-Jul-2019

23:06

x64

Mscordbi.dll

4.7.3460.0

1,622,808

25-Jul-2019

23:06

x64

Msvcp120_clr0400.dll

12.0.52519.0

690,008

27-Jul-2019

00:18

x64

Msvcr120_clr0400.dll

12.0.52519.0

993,632

27-Jul-2019

00:18

x64

Peverify.dll

4.7.3460.0

261,608

25-Jul-2019

23:06

x64

Sos.dll

4.7.3460.0

872,936

25-Jul-2019

23:06

x64

Mscorlib.dll

4.7.3460.0

5,646,312

25-Jul-2019

23:08

x86

Normidna.nlp

Not applicable

59,342

19-Apr-2018

17:07

Not applicable

Normnfc.nlp

Not applicable

47,076

19-Apr-2018

17:07

Not applicable

Normnfd.nlp

Not applicable

40,566

19-Apr-2018

17:07

Not applicable

Normnfkc.nlp

Not applicable

67,808

19-Apr-2018

17:07

Not applicable

Normnfkd.nlp

Not applicable

61,718

19-Apr-2018

17:07

Not applicable

Clrjit.dll

4.7.3460.0

523,544

25-Jul-2019

23:08

x86

Clr.dll

4.7.3460.0

7,253,488

25-Jul-2019

23:08

x86

Mscordacwks.dll

4.7.3460.0

1,343,976

25-Jul-2019

23:08

x86

Mscordbi.dll

4.7.3460.0

1,169,896

25-Jul-2019

23:08

x86

Msvcp120_clr0400.dll

12.0.52519.0

485,576

27-Jul-2019

00:18

x86

Msvcr120_clr0400.dll

12.0.52519.0

987,840

27-Jul-2019

00:18

x86

Peverify.dll

4.7.3460.0

189,208

25-Jul-2019

23:08

x86

Sos.dll

4.7.3460.0

744,216

25-Jul-2019

23:08

x86

Information about protection and security

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