Applies to:

Microsoft .NET Framework 3.5

IMPORTANT

  • As a reminder to advanced IT administrators, updates to .NET Framework 3.5 for Windows 8.1 and Windows Server 2012 R2 should only be applied on systems where .NET Framework 3.5 is present and enabled. Customers who attempt to pre-install updates to .NET Framework 3.5 to offline images that do not contain the .NET Framework 3.5 product enabled will expose these systems to failures to enable .NET Framework 3.5 after the systems are online. For more extensive information about deploying .NET Framework 3.5, see Microsoft .NET Framework 3.5 Deployment Considerations.

  • All updates for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 require that update KB 2919355 is installed. We recommend that you install update KB 2919355 on your Windows 8.1-based, Windows RT 8.1-based, or Windows Server 2012 R2-based computer so that you receive updates in the future.

  • 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.

Summary

Security Improvements

This security update addresses an issue where an unauthenticated attacker could cause a denial of service on an affected system. For more information please see CVE-2022-21911.

Known issues in this update

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

Additional information about this update

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

  • 5010583 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 8.1 (KB5010583)

How to obtain and install the update

Before installing this update

Prerequisite:

To apply this update, you must have .NET Framework 3.5 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 update will automatically sync with WSUS if you configure Products and Classifications as follows:

Product: Windows 8.1, RT 8.1, and Windows Server 2012 R2

Classification: Security Updates

Restart requirement

You may need to restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

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 4603004 and 5007301.

File Information

File hash information

File name

SHA256 hash

Windows8.1-KB5008868-x64.msu

2238C67A4CDFB3C624F31EB6A8858A7C5C02575575912376E5BE66F007DC60E4

Windows8.1-KB5008868-x86.msu

546156626A8E4BDF968323472914B1867EACD95F8C0637F38B6F4E02FEF1C37C

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Big5.nlp

Not applicable

66,728

23-Jun-2019

22:15

Not applicable

None

Not applicable

Bopomofo.nlp

Not applicable

82,172

23-Jun-2019

22:15

Not applicable

None

Not applicable

Ksc.nlp

Not applicable

116,756

23-Jun-2019

22:15

Not applicable

None

Not applicable

Mscorlib.dll

2.0.50727.8813

4,575,232

28-Mar-2020

14:00

x64

None

Not applicable

Normidna.nlp

Not applicable

59,342

23-Jun-2019

22:15

Not applicable

None

Not applicable

Normnfc.nlp

Not applicable

45,794

23-Jun-2019

22:15

Not applicable

None

Not applicable

Normnfd.nlp

Not applicable

39,284

23-Jun-2019

22:15

Not applicable

None

Not applicable

Normnfkc.nlp

Not applicable

66,384

23-Jun-2019

22:15

Not applicable

None

Not applicable

Normnfkd.nlp

Not applicable

60,294

23-Jun-2019

22:15

Not applicable

None

Not applicable

Prc.nlp

Not applicable

83,748

23-Jun-2019

22:15

Not applicable

None

Not applicable

Prcp.nlp

Not applicable

83,748

23-Jun-2019

22:15

Not applicable

None

Not applicable

Sortkey.nlp

Not applicable

262,148

23-Jun-2019

22:15

Not applicable

None

Not applicable

Sorttbls.nlp

Not applicable

20,320

23-Jun-2019

22:15

Not applicable

None

Not applicable

Xjis.nlp

Not applicable

28,288

23-Jun-2019

22:15

Not applicable

None

Not applicable

Aspnet_wp.exe

2.0.50727.8955

45,456

07-Dec-2021

18:58

x64

SPN

AMD64_NETFX-ASP

Mscordacwks.dll

2.0.50727.8813

1,758,088

28-Mar-2020

14:00

x64

None

Not applicable

Mscorsvc.dll

2.0.50727.8793

495,232

24-Jul-2018

13:11

x64

None

Not applicable

Mscorwks.dll

2.0.50727.8813

10,011,528

28-Mar-2020

14:00

x64

None

Not applicable

Sos.dll

2.0.50727.8813

486,792

28-Mar-2020

14:00

x64

None

Not applicable

System.configuration.dll

2.0.50727.8953

430,080

03-Sep-2020

14:21

x86

None

Not applicable

System.data.sqlxml.dll

2.0.50727.8773

745,472

29-Nov-2017

05:34

x86

None

Not applicable

System.management.dll

2.0.50727.8766

389,120

12-Jul-2017

13:08

x86

None

Not applicable

System.runtime.remoting.dll

2.0.50727.8771

307,200

31-Aug-2017

13:15

x86

None

Not applicable

System.security.dll

2.0.50727.8953

274,432

03-Sep-2020

14:21

x86

None

Not applicable

System.web.regularexpressions.dll

2.0.50727.8955

98,304

07-Dec-2021

18:58

x86

None

Not applicable

System.xml.dll

2.0.50727.8773

2,056,192

29-Nov-2017

05:34

x86

None

Not applicable

System.dll

2.0.50727.8806

3,211,264

29-Mar-2019

13:19

x86

None

Not applicable

Webengine.dll

2.0.50727.8955

748,920

07-Dec-2021

18:58

x64

None

Not applicable

Wminet_utils.dll

2.0.50727.8766

140,960

12-Jul-2017

13:08

x64

None

Not applicable

System.web.extensions.dll

3.5.30729.8814

1,282,048

03-Nov-2018

13:13

x86

None

Not applicable

Presentationcore.dll

3.0.6920.8833

4,006,400

07-Dec-2019

14:31

x64

None

Not applicable

Presentationfontcache.exe.config

Not applicable

161

13-Sep-2019

18:15

Not applicable

None

Not applicable

Wpfgfx_v0300.dll

3.0.6920.8833

2,265,888

07-Dec-2019

14:31

x64

None

Not applicable

System.data.dll

2.0.50727.8953

3,158,016

03-Sep-2020

14:21

x64

None

Not applicable

System.printing.dll

3.0.6920.8833

358,400

07-Dec-2019

14:31

x64

None

Not applicable

System.web.dll

2.0.50727.8955

5,300,224

07-Dec-2021

18:58

x64

None

Not applicable

Servicemonikersupport.dll

3.0.4506.8841

30,192

28-Mar-2020

14:00

x64

None

Not applicable

Smdiagnostics.dll

3.0.4506.8841

94,208

28-Mar-2020

14:00

x86

None

Not applicable

Smsvchost.exe

3.0.4506.8841

127,488

28-Mar-2020

14:00

x86

None

Not applicable

System.identitymodel.dll

3.0.4506.8841

405,504

28-Mar-2020

14:00

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

847,872

28-Mar-2020

14:00

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

847,872

28-Mar-2020

14:00

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,337,088

28-Mar-2020

14:00

x86

None

Not applicable

System.servicemodel.washosting.dll

3.0.4506.8841

32,768

28-Mar-2020

14:00

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,337,088

28-Mar-2020

14:00

x86

None

Not applicable

Penimc.dll

3.0.6920.8833

95,728

07-Dec-2019

14:31

x64

None

Not applicable

Presentationframework.dll

3.0.6920.8833

4,648,960

07-Dec-2019

14:31

x86

None

Not applicable

Presentationhostdll.dll

3.0.6920.8833

182,048

07-Dec-2019

14:31

x64

None

Not applicable

Reachframework.dll

3.0.6920.8833

536,576

07-Dec-2019

14:31

x86

None

Not applicable

Windowsbase.dll

3.0.6920.8833

1,118,208

07-Dec-2019

14:31

x86

None

Not applicable

System.workflow.activities.dll

3.0.4203.8833

1,060,864

07-Dec-2019

14:31

x86

None

Not applicable

System.workflow.componentmodel.dll

3.0.4203.8833

1,531,904

07-Dec-2019

14:31

x86

None

Not applicable

System.workflow.runtime.dll

3.0.4203.8833

454,656

07-Dec-2019

14:31

x86

None

Not applicable

Presentationframework.dll

3.0.6920.8833

5,292,032

06-Dec-2019

14:26

x86

None

Not applicable

Reachframework.dll

3.0.6920.8833

536,576

06-Dec-2019

14:26

x86

None

Not applicable

Smdiagnostics.dll

3.0.4506.8841

110,592

28-Mar-2020

13:37

x86

None

Not applicable

Smsvchost.exe

3.0.4506.8841

139,568

28-Mar-2020

13:37

x86

None

Not applicable

System.configuration.dll

2.0.50727.8953

430,080

03-Sep-2020

14:12

x86

None

Not applicable

System.data.sqlxml.dll

2.0.50727.8773

745,472

12-Dec-2017

13:09

x86

None

Not applicable

System.identitymodel.dll

3.0.4506.8841

446,464

28-Mar-2020

13:37

x86

None

Not applicable

System.management.dll

2.0.50727.8766

389,120

12-Jul-2017

13:11

x86

None

Not applicable

System.runtime.remoting.dll

2.0.50727.8771

307,200

31-Aug-2017

13:17

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

970,752

28-Mar-2020

13:37

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

970,752

28-Mar-2020

13:37

x86

None

Not applicable

System.security.dll

2.0.50727.8953

274,432

03-Sep-2020

14:12

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,996,544

28-Mar-2020

13:37

x86

None

Not applicable

System.servicemodel.washosting.dll

3.0.4506.8841

32,768

28-Mar-2020

13:37

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,996,544

28-Mar-2020

13:37

x86

None

Not applicable

System.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:14

x86

None

Not applicable

System.web.regularexpressions.dll

2.0.50727.8955

98,304

09-Dec-2021

22:54

x86

None

Not applicable

System.workflow.activities.dll

3.0.4203.8833

1,142,784

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.componentmodel.dll

3.0.4203.8833

1,638,400

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.runtime.dll

3.0.4203.8833

540,672

06-Dec-2019

14:26

x86

None

Not applicable

System.xml.dll

2.0.50727.8773

2,056,192

12-Dec-2017

13:09

x86

None

Not applicable

System.dll

2.0.50727.8806

3,211,264

29-Mar-2019

13:17

x86

None

Not applicable

Windowsbase.dll

3.0.6920.8833

1,257,472

06-Dec-2019

14:26

x86

None

Not applicable

Big5.nlp

Not applicable

66,728

27-Oct-2017

23:27

Not applicable

None

Not applicable

Bopomofo.nlp

Not applicable

82,172

27-Oct-2017

23:27

Not applicable

None

Not applicable

Ksc.nlp

Not applicable

116,756

27-Oct-2017

23:27

Not applicable

None

Not applicable

Mscorlib.dll

2.0.50727.8813

4,558,848

28-Mar-2020

13:35

x86

None

Not applicable

Normidna.nlp

Not applicable

59,342

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfc.nlp

Not applicable

45,794

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfd.nlp

Not applicable

39,284

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfkc.nlp

Not applicable

66,384

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfkd.nlp

Not applicable

60,294

27-Oct-2017

23:27

Not applicable

None

Not applicable

Prc.nlp

Not applicable

83,748

27-Oct-2017

23:27

Not applicable

None

Not applicable

Prcp.nlp

Not applicable

83,748

27-Oct-2017

23:27

Not applicable

None

Not applicable

Sortkey.nlp

Not applicable

262,148

27-Oct-2017

23:27

Not applicable

None

Not applicable

Sorttbls.nlp

Not applicable

20,320

27-Oct-2017

23:27

Not applicable

None

Not applicable

Xjis.nlp

Not applicable

28,288

27-Oct-2017

23:27

Not applicable

None

Not applicable

Aspnet_wp.exe

2.0.50727.8955

33,680

09-Dec-2021

22:53

x86

SPN

X86_NETFX-ASP

Mscordacwks.dll

2.0.50727.8813

991,112

28-Mar-2020

13:35

x86

None

Not applicable

Mscorsvc.dll

2.0.50727.8793

231,992

24-Jul-2018

13:10

x86

None

Not applicable

Mscorwks.dll

2.0.50727.8813

5,949,832

28-Mar-2020

13:35

x86

None

Not applicable

Sos.dll

2.0.50727.8813

390,536

28-Mar-2020

13:35

x86

None

Not applicable

Webengine.dll

2.0.50727.8955

439,696

09-Dec-2021

22:54

x86

None

Not applicable

Wminet_utils.dll

2.0.50727.8766

116,896

12-Jul-2017

13:11

x86

None

Not applicable

System.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:14

x86

None

Not applicable

Presentationcore.dll

3.0.6920.8833

4,222,976

06-Dec-2019

14:26

x86

None

Not applicable

Presentationfontcache.exe.config

Not applicable

161

23-Sep-2018

13:38

Not applicable

None

Not applicable

Wpfgfx_v0300.dll

3.0.6920.8833

1,747,952

06-Dec-2019

14:26

x86

None

Not applicable

System.data.dll

2.0.50727.8953

2,983,936

03-Sep-2020

14:12

x86

None

Not applicable

System.printing.dll

3.0.6920.8833

372,736

06-Dec-2019

14:26

x86

None

Not applicable

System.web.dll

2.0.50727.8955

5,292,032

09-Dec-2021

22:54

x86

None

Not applicable

Servicemonikersupport.dll

3.0.4506.8841

28,152

28-Mar-2020

13:37

x86

None

Not applicable

System.identitymodel.dll

3.0.4506.8841

446,464

28-Mar-2020

13:37

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

970,752

28-Mar-2020

13:37

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,996,544

28-Mar-2020

13:37

x86

None

Not applicable

Penimc.dll

3.0.6920.8833

78,624

06-Dec-2019

14:26

x86

None

Not applicable

Presentationframework.dll

3.0.6920.8833

5,292,032

06-Dec-2019

14:26

x86

None

Not applicable

Presentationhostdll.dll

3.0.6920.8833

141,288

06-Dec-2019

14:26

x86

None

Not applicable

Reachframework.dll

3.0.6920.8833

536,576

06-Dec-2019

14:26

x86

None

Not applicable

Windowsbase.dll

3.0.6920.8833

1,257,472

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.activities.dll

3.0.4203.8833

1,142,784

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.componentmodel.dll

3.0.4203.8833

1,638,400

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.runtime.dll

3.0.4203.8833

540,672

06-Dec-2019

14:26

x86

None

Not applicable

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Presentationframework.dll

3.0.6920.8833

5,292,032

06-Dec-2019

14:26

x86

None

Not applicable

Reachframework.dll

3.0.6920.8833

536,576

06-Dec-2019

14:26

x86

None

Not applicable

Smdiagnostics.dll

3.0.4506.8841

110,592

28-Mar-2020

13:37

x86

None

Not applicable

Smsvchost.exe

3.0.4506.8841

139,568

28-Mar-2020

13:37

x86

None

Not applicable

System.configuration.dll

2.0.50727.8953

430,080

03-Sep-2020

14:12

x86

None

Not applicable

System.data.sqlxml.dll

2.0.50727.8773

745,472

12-Dec-2017

13:09

x86

None

Not applicable

System.identitymodel.dll

3.0.4506.8841

446,464

28-Mar-2020

13:37

x86

None

Not applicable

System.management.dll

2.0.50727.8766

389,120

12-Jul-2017

13:11

x86

None

Not applicable

System.runtime.remoting.dll

2.0.50727.8771

307,200

31-Aug-2017

13:17

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

970,752

28-Mar-2020

13:37

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

970,752

28-Mar-2020

13:37

x86

None

Not applicable

System.security.dll

2.0.50727.8953

274,432

03-Sep-2020

14:12

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,996,544

28-Mar-2020

13:37

x86

None

Not applicable

System.servicemodel.washosting.dll

3.0.4506.8841

32,768

28-Mar-2020

13:37

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,996,544

28-Mar-2020

13:37

x86

None

Not applicable

System.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:14

x86

None

Not applicable

System.web.regularexpressions.dll

2.0.50727.8955

98,304

09-Dec-2021

22:54

x86

None

Not applicable

System.workflow.activities.dll

3.0.4203.8833

1,142,784

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.componentmodel.dll

3.0.4203.8833

1,638,400

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.runtime.dll

3.0.4203.8833

540,672

06-Dec-2019

14:26

x86

None

Not applicable

System.xml.dll

2.0.50727.8773

2,056,192

12-Dec-2017

13:09

x86

None

Not applicable

System.dll

2.0.50727.8806

3,211,264

29-Mar-2019

13:17

x86

None

Not applicable

Windowsbase.dll

3.0.6920.8833

1,257,472

06-Dec-2019

14:26

x86

None

Not applicable

Big5.nlp

Not applicable

66,728

27-Oct-2017

23:27

Not applicable

None

Not applicable

Bopomofo.nlp

Not applicable

82,172

27-Oct-2017

23:27

Not applicable

None

Not applicable

Ksc.nlp

Not applicable

116,756

27-Oct-2017

23:27

Not applicable

None

Not applicable

Mscorlib.dll

2.0.50727.8813

4,558,848

28-Mar-2020

13:35

x86

None

Not applicable

Normidna.nlp

Not applicable

59,342

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfc.nlp

Not applicable

45,794

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfd.nlp

Not applicable

39,284

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfkc.nlp

Not applicable

66,384

27-Oct-2017

23:27

Not applicable

None

Not applicable

Normnfkd.nlp

Not applicable

60,294

27-Oct-2017

23:27

Not applicable

None

Not applicable

Prc.nlp

Not applicable

83,748

27-Oct-2017

23:27

Not applicable

None

Not applicable

Prcp.nlp

Not applicable

83,748

27-Oct-2017

23:27

Not applicable

None

Not applicable

Sortkey.nlp

Not applicable

262,148

27-Oct-2017

23:27

Not applicable

None

Not applicable

Sorttbls.nlp

Not applicable

20,320

27-Oct-2017

23:27

Not applicable

None

Not applicable

Xjis.nlp

Not applicable

28,288

27-Oct-2017

23:27

Not applicable

None

Not applicable

Aspnet_wp.exe

2.0.50727.8955

33,680

09-Dec-2021

22:53

x86

SPN

X86_NETFX-ASP

Mscordacwks.dll

2.0.50727.8813

991,112

28-Mar-2020

13:35

x86

None

Not applicable

Mscorsvc.dll

2.0.50727.8793

231,992

24-Jul-2018

13:10

x86

None

Not applicable

Mscorwks.dll

2.0.50727.8813

5,949,832

28-Mar-2020

13:35

x86

None

Not applicable

Sos.dll

2.0.50727.8813

390,536

28-Mar-2020

13:35

x86

None

Not applicable

Webengine.dll

2.0.50727.8955

439,696

09-Dec-2021

22:54

x86

None

Not applicable

Wminet_utils.dll

2.0.50727.8766

116,896

12-Jul-2017

13:11

x86

None

Not applicable

System.web.extensions.dll

3.5.30729.8814

1,282,048

02-Nov-2018

13:14

x86

None

Not applicable

Presentationcore.dll

3.0.6920.8833

4,222,976

06-Dec-2019

14:26

x86

None

Not applicable

Presentationfontcache.exe.config

Not applicable

161

23-Sep-2018

13:38

Not applicable

None

Not applicable

Wpfgfx_v0300.dll

3.0.6920.8833

1,747,952

06-Dec-2019

14:26

x86

None

Not applicable

System.data.dll

2.0.50727.8953

2,983,936

03-Sep-2020

14:12

x86

None

Not applicable

System.printing.dll

3.0.6920.8833

372,736

06-Dec-2019

14:26

x86

None

Not applicable

System.web.dll

2.0.50727.8955

5,292,032

09-Dec-2021

22:54

x86

None

Not applicable

Servicemonikersupport.dll

3.0.4506.8841

28,152

28-Mar-2020

13:37

x86

None

Not applicable

System.identitymodel.dll

3.0.4506.8841

446,464

28-Mar-2020

13:37

x86

None

Not applicable

System.runtime.serialization.dll

3.0.4506.8841

970,752

28-Mar-2020

13:37

x86

None

Not applicable

System.servicemodel.dll

3.0.4506.8841

5,996,544

28-Mar-2020

13:37

x86

None

Not applicable

Penimc.dll

3.0.6920.8833

78,624

06-Dec-2019

14:26

x86

None

Not applicable

Presentationframework.dll

3.0.6920.8833

5,292,032

06-Dec-2019

14:26

x86

None

Not applicable

Presentationhostdll.dll

3.0.6920.8833

141,288

06-Dec-2019

14:26

x86

None

Not applicable

Reachframework.dll

3.0.6920.8833

536,576

06-Dec-2019

14:26

x86

None

Not applicable

Windowsbase.dll

3.0.6920.8833

1,257,472

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.activities.dll

3.0.4203.8833

1,142,784

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.componentmodel.dll

3.0.4203.8833

1,638,400

06-Dec-2019

14:26

x86

None

Not applicable

System.workflow.runtime.dll

3.0.4203.8833

540,672

06-Dec-2019

14:26

x86

None

Not applicable

Information about protection and security

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×