Applies To.NET

Applies to:

Microsoft .NET Framework 4.8

Summary

A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly. An attacker who successfully exploited this vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. To learn more about the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE).

Additional information about this update

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

  • 4535103 Description of the Security and Quality Rollup 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 (KB4535103)

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.

Method 2: Microsoft Update Catalog

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

Method 3: 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 4535103 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:

20200114 Security update deployment information: January 14, 2020

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 previously released updates .

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-KB4532939-x64-NDP48.msu

2AE8F356E48C0F2EE767E60F15C76033682477F9

E5E3611EA78BB3A103B76D53E6CF2625BDABD4E0AD4A057DC96ECD28C82A5FD3

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Mscorlib.dll

4.8.4069.0

5,439,464

09-Nov-2019

02:37

x64

None

Not applicable

Normidna.nlp

Not applicable

59,342

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfc.nlp

Not applicable

47,076

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfd.nlp

Not applicable

40,566

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfkc.nlp

Not applicable

67,808

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfkd.nlp

Not applicable

61,718

19-Apr-2018

17:07

Not applicable

None

Not applicable

Aspnet_perf.dll

4.8.4075.0

49,432

23-Nov-2019

04:37

x64

SPN

AMD64_NETFX4-ASP

Aspnet_state_perf.h

Not applicable

318

23-Nov-2019

03:21

Not applicable

SPN

AMD64_NETFX4-ASP

Aspnet_state_perf.ini

Not applicable

42,996

23-Nov-2019

04:38

Not applicable

SPN

AMD64_NETFX4-ASP

Aspnet_wp.exe

4.8.4075.0

53,032

23-Nov-2019

04:37

x64

SPN

AMD64_NETFX4-ASP

Clrjit.dll

4.8.4069.0

1,365,488

09-Nov-2019

02:37

x64

None

Not applicable

Clr.dll

4.8.4069.0

11,270,632

09-Nov-2019

02:37

x64

None

Not applicable

Compatjit.dll

4.8.4069.0

1,281,000

09-Nov-2019

02:37

x64

None

Not applicable

Globalmonospace.compositefont

Not applicable

26,040

08-Nov-2019

23:44

Not applicable

SPA

AMD64_NETFX4-GLOBALMONOSP

Globalsansserif.compositefont

Not applicable

26,489

08-Nov-2019

23:44

Not applicable

None

Not applicable

Globalserif.compositefont

Not applicable

29,779

08-Nov-2019

23:44

Not applicable

None

Not applicable

Globaluserinterface.compositefont

Not applicable

264,986

08-Nov-2019

23:44

Not applicable

None

Not applicable

Mscordacwks.dll

4.8.4069.0

1,808,664

09-Nov-2019

02:37

x64

None

Not applicable

Mscordbi.dll

4.8.4069.0

1,661,720

09-Nov-2019

02:37

x64

None

Not applicable

Mscoreei.dll

4.8.4018.0

688,920

07-Aug-2019

07:43

x64

None

Not applicable

Penimc.dll

14.8.4110.0

19,224

04-Dec-2019

02:54

x64

None

Not applicable

Penimc2_v0400.dll

4.8.4110.0

128,280

04-Dec-2019

02:54

x64

None

Not applicable

Penimc_v0400.dll

4.8.4110.0

27,920

04-Dec-2019

02:54

x64

None

Not applicable

Peverify.dll

4.8.4069.0

273,176

09-Nov-2019

02:37

x64

None

Not applicable

Presentationframework-systemdata.dll

4.8.4110.0

25,576

04-Dec-2019

02:55

x86

None

Not applicable

Presentationframework.dll

4.8.4110.0

6,269,720

04-Dec-2019

02:55

x86

None

Not applicable

Presentationhost_v0400.dll.mui

4.8.4110.0

85,272

04-Dec-2019

02:54

Not applicable

None

Not applicable

Presentationhost_v0400.dll

4.8.4110.0

310,040

04-Dec-2019

02:54

x64

None

Not applicable

Presentationnative_v0400.dll

4.8.4110.0

1,171,736

04-Dec-2019

02:54

x64

None

Not applicable

Reachframework.dll

4.8.4110.0

677,656

04-Dec-2019

02:55

x86

None

Not applicable

Servicemodel.mof

Not applicable

88,383

13-Mar-2019

03:36

Not applicable

None

Not applicable

Servicemodel.mof.uninstall

Not applicable

896

13-Mar-2019

03:36

Not applicable

None

Not applicable

Servicemonikersupport.dll

4.8.3825.0

34,560

01-Jun-2019

02:34

x64

None

Not applicable

Smdiagnostics.dll

4.8.3825.0

73,544

01-Jun-2019

02:36

x86

None

Not applicable

Sos.dll

4.8.4069.0

929,048

09-Nov-2019

02:37

x64

None

Not applicable

System.activities.dll

4.8.3825.0

1,533,344

01-Jun-2019

02:36

x86

None

Not applicable

System.core.dll

4.8.4110.0

1,556,616

04-Dec-2019

02:55

x86

None

Not applicable

System.identitymodel.services.dll

4.8.3825.0

198,400

01-Jun-2019

02:36

x86

None

Not applicable

System.identitymodel.dll

4.8.3825.0

1,093,960

01-Jun-2019

02:36

x86

None

Not applicable

System.runtime.serialization.dll

4.8.3825.0

1,054,112

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.channels.dll

4.8.3825.0

157,744

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.discovery.dll

4.8.3825.0

308,272

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.internals.dll

4.8.3825.0

253,344

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.washosting.dll

4.8.3825.0

40,192

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.dll

4.8.3825.0

6,386,504

01-Jun-2019

02:36

x86

None

Not applicable

System.web.applicationservices.dll

4.8.4075.0

71,512

23-Nov-2019

05:17

x86

None

Not applicable

System.web.extensions.dll

4.8.4075.0

1,849,992

23-Nov-2019

05:17

x86

None

Not applicable

System.windows.controls.ribbon.dll

4.8.4110.0

748,032

04-Dec-2019

02:55

x86

None

Not applicable

System.windows.forms.dll

4.8.4042.0

5,920,392

12-Sep-2019

21:20

x86

None

Not applicable

System.workflow.activities.dll

4.8.4110.0

1,051,112

04-Dec-2019

02:55

x86

None

Not applicable

System.workflow.componentmodel.dll

4.8.4110.0

1,557,272

04-Dec-2019

02:55

x86

None

Not applicable

System.workflow.runtime.dll

4.8.4110.0

503,064

04-Dec-2019

02:55

x86

None

Not applicable

System.xaml.dll

4.8.4110.0

640,048

04-Dec-2019

02:55

x86

None

Not applicable

System.dll

4.8.4001.0

3,560,496

24-Jul-2019

02:58

x86

None

Not applicable

Uiautomationclientsideproviders.dll

4.8.4110.0

361,752

04-Dec-2019

02:55

x86

None

Not applicable

Uiautomationclient.dll

4.8.4110.0

178,456

04-Dec-2019

02:55

x86

None

Not applicable

Uiautomationprovider.dll

4.8.4110.0

49,432

04-Dec-2019

02:55

x86

None

Not applicable

Uiautomationtypes.dll

4.8.4110.0

223,512

04-Dec-2019

02:55

x86

None

Not applicable

Webengine4.dll

4.8.4075.0

682,776

23-Nov-2019

04:37

x64

None

Not applicable

Webengine.dll

4.8.4075.0

28,952

23-Nov-2019

04:37

x64

None

Not applicable

Windowsbase.dll

4.8.4110.0

1,306,392

04-Dec-2019

02:55

x86

None

Not applicable

Workflowservicehostperformancecounters.dll

4.8.4110.0

102,672

04-Dec-2019

02:54

x64

None

Not applicable

Wpfgfx_v0400.dll

4.8.4110.0

2,058,008

04-Dec-2019

02:54

x64

None

Not applicable

Globalmonospace.compositefont

Not applicable

26,040

08-Nov-2019

23:40

Not applicable

None

Not applicable

Globalsansserif.compositefont

Not applicable

26,489

08-Nov-2019

23:40

Not applicable

None

Not applicable

Globalserif.compositefont

Not applicable

29,779

08-Nov-2019

23:40

Not applicable

None

Not applicable

Globaluserinterface.compositefont

Not applicable

264,986

08-Nov-2019

23:40

Not applicable

None

Not applicable

Presentationcore.dll

4.8.4110.0

3,653,400

04-Dec-2019

02:54

x64

None

Not applicable

System.printing.dll

4.8.4110.0

400,152

04-Dec-2019

02:54

x64

None

Not applicable

System.web.dll

4.8.4075.0

5,403,624

23-Nov-2019

04:37

x64

None

Not applicable

Presentationframework-systemdata.dll

4.8.4110.0

25,576

04-Dec-2019

02:55

x86

None

Not applicable

Presentationframework.dll

4.8.4110.0

6,269,720

04-Dec-2019

02:55

x86

None

Not applicable

Reachframework.dll

4.8.4110.0

677,656

04-Dec-2019

02:55

x86

None

Not applicable

Smdiagnostics.dll

4.8.3825.0

73,544

01-Jun-2019

02:36

x86

None

Not applicable

System.activities.dll

4.8.3825.0

1,533,344

01-Jun-2019

02:36

x86

None

Not applicable

System.core.dll

4.8.4110.0

1,556,616

04-Dec-2019

02:55

x86

None

Not applicable

System.identitymodel.services.dll

4.8.3825.0

198,400

01-Jun-2019

02:36

x86

None

Not applicable

System.identitymodel.dll

4.8.3825.0

1,093,960

01-Jun-2019

02:36

x86

None

Not applicable

System.runtime.serialization.dll

4.8.3825.0

1,054,112

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.channels.dll

4.8.3825.0

157,744

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.discovery.dll

4.8.3825.0

308,272

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.internals.dll

4.8.3825.0

253,344

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.washosting.dll

4.8.3825.0

40,192

01-Jun-2019

02:36

x86

None

Not applicable

System.servicemodel.dll

4.8.3825.0

6,386,504

01-Jun-2019

02:36

x86

None

Not applicable

System.web.applicationservices.dll

4.8.4075.0

71,512

23-Nov-2019

05:17

x86

None

Not applicable

System.web.extensions.dll

4.8.4075.0

1,849,992

23-Nov-2019

05:17

x86

None

Not applicable

System.windows.controls.ribbon.dll

4.8.4110.0

748,032

04-Dec-2019

02:55

x86

None

Not applicable

System.windows.forms.dll

4.8.4042.0

5,920,392

12-Sep-2019

21:20

x86

None

Not applicable

System.workflow.activities.dll

4.8.4110.0

1,051,112

04-Dec-2019

02:55

x86

None

Not applicable

System.workflow.componentmodel.dll

4.8.4110.0

1,557,272

04-Dec-2019

02:55

x86

None

Not applicable

System.workflow.runtime.dll

4.8.4110.0

503,064

04-Dec-2019

02:55

x86

None

Not applicable

System.xaml.dll

4.8.4110.0

640,048

04-Dec-2019

02:55

x86

None

Not applicable

System.dll

4.8.4001.0

3,560,496

24-Jul-2019

02:58

x86

None

Not applicable

Uiautomationclientsideproviders.dll

4.8.4110.0

361,752

04-Dec-2019

02:55

x86

None

Not applicable

Uiautomationclient.dll

4.8.4110.0

178,456

04-Dec-2019

02:55

x86

None

Not applicable

Uiautomationprovider.dll

4.8.4110.0

49,432

04-Dec-2019

02:55

x86

None

Not applicable

Uiautomationtypes.dll

4.8.4110.0

223,512

04-Dec-2019

02:55

x86

None

Not applicable

Windowsbase.dll

4.8.4110.0

1,306,392

04-Dec-2019

02:55

x86

None

Not applicable

Mscorlib.dll

4.8.4069.0

5,678,360

09-Nov-2019

02:38

x86

None

Not applicable

Normidna.nlp

Not applicable

59,342

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfc.nlp

Not applicable

47,076

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfd.nlp

Not applicable

40,566

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfkc.nlp

Not applicable

67,808

19-Apr-2018

17:07

Not applicable

None

Not applicable

Normnfkd.nlp

Not applicable

61,718

19-Apr-2018

17:07

Not applicable

None

Not applicable

Aspnet_perf.dll

4.8.4075.0

43,800

23-Nov-2019

05:17

x86

SPN

X86_NETFX4-ASP

Aspnet_state_perf.h

Not applicable

318

23-Nov-2019

03:12

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_state_perf.ini

Not applicable

42,996

23-Nov-2019

05:18

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_wp.exe

4.8.4075.0

47,608

23-Nov-2019

05:17

x86

SPN

X86_NETFX4-ASP

Clrjit.dll

4.8.4069.0

561,640

09-Nov-2019

02:38

x86

None

Not applicable

Clr.dll

4.8.4069.0

8,044,520

09-Nov-2019

02:38

x86

None

Not applicable

Globalmonospace.compositefont

Not applicable

26,040

08-Nov-2019

23:44

Not applicable

SPA

X86_NETFX4-GLOBALMONOSP

Globalsansserif.compositefont

Not applicable

26,489

08-Nov-2019

23:44

Not applicable

None

Not applicable

Globalserif.compositefont

Not applicable

29,779

08-Nov-2019

23:44

Not applicable

None

Not applicable

Globaluserinterface.compositefont

Not applicable

264,986

08-Nov-2019

23:44

Not applicable

None

Not applicable

Mscordacwks.dll

4.8.4069.0

1,315,304

09-Nov-2019

02:38

x86

None

Not applicable

Mscordbi.dll

4.8.4069.0

1,196,008

09-Nov-2019

02:38

x86

None

Not applicable

Mscoreei.dll

4.8.4018.0

581,400

07-Aug-2019

08:03

x86

None

Not applicable

Penimc.dll

14.8.4110.0

19,216

04-Dec-2019

02:55

x86

None

Not applicable

Penimc2_v0400.dll

4.8.4110.0

107,288

04-Dec-2019

02:55

x86

None

Not applicable

Penimc_v0400.dll

4.8.4110.0

25,880

04-Dec-2019

02:55

x86

None

Not applicable

Peverify.dll

4.8.4069.0

190,440

09-Nov-2019

02:38

x86

None

Not applicable

Presentationhost_v0400.dll.mui

4.8.4110.0

85,264

04-Dec-2019

02:55

Not applicable

None

Not applicable

Presentationhost_v0400.dll

4.8.4110.0

241,432

04-Dec-2019

02:55

x86

None

Not applicable

Presentationnative_v0400.dll

4.8.4110.0

930,584

04-Dec-2019

02:55

x86

None

Not applicable

Servicemonikersupport.dll

4.8.3825.0

31,488

01-Jun-2019

02:36

x86

None

Not applicable

Sos.dll

4.8.4069.0

774,936

09-Nov-2019

02:38

x86

None

Not applicable

System.core.dll

4.8.4110.0

1,556,616

04-Dec-2019

02:55

x86

None

Not applicable

System.web.extensions.dll

4.8.4075.0

1,849,992

23-Nov-2019

05:17

x86

None

Not applicable

Webengine4.dll

4.8.4075.0

572,184

23-Nov-2019

05:17

x86

None

Not applicable

Webengine.dll

4.8.4075.0

26,904

23-Nov-2019

05:17

x86

None

Not applicable

Workflowservicehostperformancecounters.dll

4.8.4110.0

89,368

04-Dec-2019

02:55

x86

None

Not applicable

Wpfgfx_v0400.dll

4.8.4110.0

1,626,392

04-Dec-2019

02:55

x86

None

Not applicable

Globalmonospace.compositefont

Not applicable

26,040

08-Nov-2019

23:44

Not applicable

None

Not applicable

Globalsansserif.compositefont

Not applicable

26,489

08-Nov-2019

23:44

Not applicable

None

Not applicable

Globalserif.compositefont

Not applicable

29,779

08-Nov-2019

23:44

Not applicable

None

Not applicable

Globaluserinterface.compositefont

Not applicable

264,986

08-Nov-2019

23:44

Not applicable

None

Not applicable

Presentationcore.dll

4.8.4110.0

3,676,952

04-Dec-2019

02:55

x86

None

Not applicable

System.printing.dll

4.8.4110.0

399,640

04-Dec-2019

02:55

x86

None

Not applicable

System.web.dll

4.8.4075.0

5,416,728

23-Nov-2019

05:17

x86

None

Not applicable

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