Applies to:

Microsoft .NET Framework 4.8

The October 10, 2023 update for Windows Server 2012 includes cumulative security and reliability improvements in .NET Framework 4.8. We recommend that you apply this update as part of your regular maintenance routines. Verify that you have installed the required updates listed in the How to get this update section before installing this update.

Summary

Security Improvements

There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.

Quality and Reliability Improvements

ASP.NET

- Addresses an issue with "System.ArgumentException: Illegal characters in path" in some ASP.Net MVC requests.

Additional information about this update

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

  • 5031227 Description of the Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5031227)

Known issues in this update

Microsoft is not currently aware of any issues in this update.

How to get this update

Before installing this update

Prerequisite:

To apply this update, you must have .NET Framework 4.8 installed.

Install this update

Release Channel

Available

Next Step

Windows Update and Microsoft Update

Yes

None. This update will be downloaded and installed automatically from Windows Update.

Microsoft Update Catalog

Yes

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

Windows Server Update Services (WSUS)

Yes

This individual .NET Framework product update will be installed, as applicable, by applying the operating system update. For more information about operating system updates see additional information about this update section.

Update replacement information

This update replaces previously released updates KB5028940.

File Information

File hash information

File name

SHA256 hash

Windows8-RT-KB5031002-x64-NDP48.msu

5A48A2195869FCEA454AEF475B6B48D4F4DEA02F1075B80C489D1BBEA38D4192

Windows8-RT-KB5031002-x86-NDP48.msu

116395E58D347D393286B638B081F4D2E8D47E7B8622CD09AF3332C54BB3D464

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Presentationframework-systemdata.dll

4.8.4667.0

18,864

26-Jul-2023

02:42

x86

None

Not applicable

Presentationframework.dll

4.8.4667.0

6,293,896

26-Jul-2023

02:51

x86

None

Not applicable

Reachframework.dll

4.8.4110.0

677,656

04-Dec-2019

02:55

x86

None

Not applicable

Smdiagnostics.dll

4.8.4545.0

68,456

30-Jun-2022

07:44

x86

None

Not applicable

Smsvchost.exe

4.8.4121.0

139,056

07-Dec-2019

06:03

x86

None

Not applicable

System.activities.presentation.dll

4.8.4526.0

2,121,104

06-May-2022

07:51

x86

None

Not applicable

System.activities.dll

4.8.4545.0

1,528,640

30-Jun-2022

07:44

x86

None

Not applicable

System.configuration.dll

4.8.4190.0

421,536

05-Jun-2020

05:04

x86

None

Not applicable

System.core.dll

4.8.4667.0

1,551,176

26-Jul-2023

02:51

x86

None

Not applicable

System.deployment.dll

4.8.4654.0

1,596,304

04-Jul-2023

02:35

x86

None

Not applicable

System.directoryservices.dll

4.8.4510.0

418,112

01-Apr-2022

04:49

x86

None

Not applicable

System.drawing.design.dll

4.8.4210.0

125,192

30-Jun-2020

01:55

x86

None

Not applicable

System.drawing.dll

4.8.4395.0

595,728

26-May-2021

00:23

x86

None

Not applicable

System.identitymodel.services.dll

4.8.4545.0

192,416

30-Jun-2022

07:44

x86

None

Not applicable

System.identitymodel.dll

4.8.4545.0

1,088,816

30-Jun-2022

07:44

x86

None

Not applicable

System.management.dll

4.8.4450.0

408,856

05-Oct-2021

04:18

x86

None

Not applicable

System.net.sockets.dll

4.8.4121.0

30,360

07-Dec-2019

06:03

x86

None

Not applicable

System.runtime.serialization.dll

4.8.4545.0

1,049,392

30-Jun-2022

07:44

x86

None

Not applicable

System.security.dll

4.8.4261.0

320,280

02-Sep-2020

21:05

x86

None

Not applicable

System.servicemodel.activities.dll

4.8.4261.0

555,384

02-Sep-2020

21:05

x86

None

Not applicable

System.servicemodel.channels.dll

4.8.4545.0

151,984

30-Jun-2022

07:44

x86

None

Not applicable

System.servicemodel.discovery.dll

4.8.4545.0

302,480

30-Jun-2022

07:44

x86

None

Not applicable

System.servicemodel.internals.dll

4.8.4545.0

248,680

30-Jun-2022

07:44

x86

None

Not applicable

System.servicemodel.washosting.dll

4.8.4545.0

34,192

30-Jun-2022

07:44

x86

None

Not applicable

System.servicemodel.web.dll

4.8.4261.0

321,792

02-Sep-2020

21:05

x86

None

Not applicable

System.servicemodel.dll

4.8.4545.0

6,387,016

30-Jun-2022

07:44

x86

None

Not applicable

System.speech.dll

4.8.4210.0

676,736

30-Jun-2020

01:55

x86

SPE

MSIL_SYSTEM.SP

System.web.applicationservices.dll

4.8.4676.0

66,120

26-Aug-2023

00:52

x86

None

Not applicable

System.web.extensions.dll

4.8.4676.0

1,844,808

26-Aug-2023

00:52

x86

None

Not applicable

System.windows.controls.ribbon.dll

4.8.4667.0

744,840

26-Jul-2023

02:51

x86

None

Not applicable

System.windows.forms.datavisualization.dll

4.8.4210.0

1,712,512

30-Jun-2020

01:55

x86

None

Not applicable

System.windows.forms.dll

4.8.4654.0

5,922,672

04-Jul-2023

02:35

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

4.8.4667.0

634,216

26-Jul-2023

02:51

x86

None

Not applicable

System.dll

4.8.4654.0

3,559,280

04-Jul-2023

02:35

x86

None

Not applicable

Uiautomationclientsideproviders.dll

4.8.4667.0

355,208

26-Jul-2023

02:51

x86

None

Not applicable

Uiautomationclient.dll

4.8.4667.0

172,464

26-Jul-2023

02:51

x86

None

Not applicable

Uiautomationprovider.dll

4.8.4667.0

42,944

26-Jul-2023

02:51

x86

None

Not applicable

Uiautomationtypes.dll

4.8.4667.0

216,968

26-Jul-2023

02:51

x86

None

Not applicable

Windowsbase.dll

4.8.4667.0

1,300,400

26-Jul-2023

02:51

x86

None

Not applicable

Windowsformsintegration.dll

4.8.4614.0

102,336

14-Dec-2022

07:20

x86

None

Not applicable

Mscorlib.dll

4.8.4645.0

5,736,888

18-Jun-2023

23:08

x86

None

Not applicable

Normidna.nlp

Not applicable

59,342

28-Feb-2023

22:26

Not applicable

None

Not applicable

Normnfc.nlp

Not applicable

47,076

28-Feb-2023

22:26

Not applicable

None

Not applicable

Normnfd.nlp

Not applicable

40,566

28-Feb-2023

22:26

Not applicable

None

Not applicable

Normnfkc.nlp

Not applicable

67,808

28-Feb-2023

22:26

Not applicable

None

Not applicable

Normnfkd.nlp

Not applicable

61,718

28-Feb-2023

22:26

Not applicable

None

Not applicable

Aspnet_perf.dll

4.8.4676.0

37,408

26-Aug-2023

00:44

x86

SPN

X86_NETFX4-ASP

Aspnet_state_perf.h

Not applicable

318

25-Aug-2023

22:15

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_state_perf.ini

Not applicable

42,996

26-Aug-2023

00:46

Not applicable

SPN

X86_NETFX4-ASP

Aspnet_wp.exe

4.8.4676.0

40,904

26-Aug-2023

00:44

x86

SPN

X86_NETFX4-ASP

Clrjit.dll

4.8.4645.0

555,968

18-Jun-2023

22:56

x86

None

Not applicable

Clr.dll

4.8.4645.0

8,658,824

18-Jun-2023

22:56

x86

None

Not applicable

Dfdll.dll

4.8.4654.0

179,080

04-Jul-2023

02:27

x86

None

Not applicable

Diasymreader.dll

14.8.4667.0

1,079,232

26-Jul-2023

02:42

x86

None

Not applicable

Globalmonospace.compositefont

Not applicable

26,040

06-Jun-2023

21:30

Not applicable

SPA

X86_NETFX4-GLOBALMONOSP

Globalsansserif.compositefont

Not applicable

26,489

06-Jun-2023

21:30

Not applicable

None

Not applicable

Globalserif.compositefont

Not applicable

29,779

06-Jun-2023

21:30

Not applicable

None

Not applicable

Globaluserinterface.compositefont

Not applicable

264,986

06-Jun-2023

21:30

Not applicable

None

Not applicable

Mscordacwks.dll

4.8.4645.0

1,308,552

18-Jun-2023

22:56

x86

None

Not applicable

Mscordbi.dll

4.8.4645.0

1,189,288

18-Jun-2023

22:56

x86

None

Not applicable

Mscoreei.dll

4.8.4180.0

581,920

26-Mar-2020

23:11

x86

None

Not applicable

Mscorsvc.dll

4.8.4330.0

454,024

05-Jan-2021

01:30

x86

None

Not applicable

Mscorsvw.exe

4.8.4330.0

125,872

05-Jan-2021

01:30

x86

None

Not applicable

Ngentask.exe

4.8.4330.0

79,824

05-Jan-2021

01:30

x86

None

Not applicable

Ngen.exe

4.8.4330.0

144,344

05-Jan-2021

01:30

x86

None

Not applicable

Penimc.dll

14.8.4667.0

12,720

26-Jul-2023

02:42

x86

None

Not applicable

Penimc2_v0400.dll

4.8.4667.0

100,784

26-Jul-2023

02:42

x86

None

Not applicable

Penimc_v0400.dll

4.8.4667.0

19,392

26-Jul-2023

02:42

x86

None

Not applicable

Peverify.dll

4.8.4645.0

183,744

18-Jun-2023

22:56

x86

None

Not applicable

Presentationhost_v0400.dll.mui

4.8.4667.0

78,728

26-Jul-2023

02:51

Not applicable

None

Not applicable

Presentationhost_v0400.dll

4.8.4667.0

234,928

26-Jul-2023

02:42

x86

None

Not applicable

Presentationnative_v0400.dll

4.8.4667.0

924,096

26-Jul-2023

02:42

x86

None

Not applicable

Servicemodel.mof

Not applicable

88,383

30-Jun-2022

00:22

Not applicable

None

Not applicable

Servicemodel.mof.uninstall

Not applicable

896

30-Jun-2022

00:22

Not applicable

None

Not applicable

Servicemonikersupport.dll

4.8.4545.0

25,488

30-Jun-2022

07:44

x86

None

Not applicable

_smsvchostperfcounters.h

Not applicable

702

06-Dec-2019

22:20

Not applicable

None

Not applicable

_smsvchostperfcounters.ini

Not applicable

133,894

07-Dec-2019

06:04

Not applicable

None

Not applicable

_smsvchostperfcounters_d.ini

Not applicable

39

08-Nov-2019

03:11

Not applicable

None

Not applicable

Smsvchost.exe.config

Not applicable

2,262

25-Jul-2019

21:42

Not applicable

None

Not applicable

Sos.dll

4.8.4645.0

768,904

18-Jun-2023

22:56

x86

None

Not applicable

System.core.dll

4.8.4667.0

1,551,176

26-Jul-2023

02:51

x86

None

Not applicable

System.web.extensions.dll

4.8.4676.0

1,844,808

26-Aug-2023

00:52

x86

None

Not applicable

System.windows.forms.datavisualization.dll

4.8.4210.0

1,712,512

30-Jun-2020

01:55

x86

None

Not applicable

Webengine4.dll

4.8.4676.0

565,688

26-Aug-2023

00:44

x86

None

Not applicable

Webengine.dll

4.8.4676.0

20,512

26-Aug-2023

00:44

x86

None

Not applicable

Workflowservicehostperformancecounters.dll

4.8.4110.0

89,368

04-Dec-2019

02:55

x86

None

Not applicable

Wpfgfx_v0400.dll

4.8.4667.0

1,620,400

26-Jul-2023

02:42

x86

None

Not applicable

Globalmonospace.compositefont

Not applicable

26,040

06-Jun-2023

21:30

Not applicable

None

Not applicable

Globalsansserif.compositefont

Not applicable

26,489

06-Jun-2023

21:30

Not applicable

None

Not applicable

Globalserif.compositefont

Not applicable

29,779

06-Jun-2023

21:30

Not applicable

None

Not applicable

Globaluserinterface.compositefont

Not applicable

264,986

06-Jun-2023

21:30

Not applicable

None

Not applicable

Presentationcore.dll

4.8.4667.0

3,678,104

26-Jul-2023

02:51

x86

None

Not applicable

System.data.dll

4.8.4644.0

3,480,472

04-May-2023

05:28

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

4.8.4676.0

5,412,384

26-Aug-2023

00:52

x86

None

Not applicable

How to obtain help and support for this update

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