Applies To.NET

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

This security update addresses an issue where a local user opening a specially crafted file could cause a denial of service condition on an affected system. For more information please see CVE-2022-30130.

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.

  • 5013839 Description of the Security Only Update for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1 and Windows Server 2012 R2 (KB5013839)

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

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 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 deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

20220510 Security update deployment information: May 10, 2022

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

File hash information

File name

SHA256 hash

Windows8.1-KB5013621-x64.msu

7D35537C23F7220281E40A83E7CF9F2AE2B4DAE4F4B5EEFC6345BAA3274D4EBE

Windows8.1-KB5013621-x86.msu

4EAE531DA24704B51CB965F0E8D52EEB775B73344E0C744A84F6D848028BD768

File name

File version

File size

Date

Time

Platform

Big5.nlp

Not applicable

66,728

20-Mar-2022

00:50

Not applicable

Bopomofo.nlp

Not applicable

82,172

20-Mar-2022

00:50

Not applicable

Ksc.nlp

Not applicable

116,756

20-Mar-2022

00:51

Not applicable

Mscorlib.dll

2.0.50727.8964

4,575,232

17-Apr-2022

00:23

x64

Normidna.nlp

Not applicable

59,342

20-Mar-2022

00:51

Not applicable

Normnfc.nlp

Not applicable

45,794

20-Mar-2022

00:51

Not applicable

Normnfd.nlp

Not applicable

39,284

20-Mar-2022

00:51

Not applicable

Normnfkc.nlp

Not applicable

66,384

20-Mar-2022

00:51

Not applicable

Normnfkd.nlp

Not applicable

60,294

20-Mar-2022

00:51

Not applicable

Prc.nlp

Not applicable

83,748

20-Mar-2022

00:51

Not applicable

Prcp.nlp

Not applicable

83,748

20-Mar-2022

00:51

Not applicable

Sortkey.nlp

Not applicable

262,148

20-Mar-2022

00:51

Not applicable

Sorttbls.nlp

Not applicable

20,320

20-Mar-2022

00:51

Not applicable

Xjis.nlp

Not applicable

28,288

20-Mar-2022

00:51

Not applicable

Mscordacwks.dll

2.0.50727.8964

1,760,680

17-Apr-2022

00:23

x64

Mscorwks.dll

2.0.50727.8964

10,625,968

17-Apr-2022

00:23

x64

Sos.dll

2.0.50727.8964

489,384

17-Apr-2022

00:23

x64

Big5.nlp

Not applicable

66,728

17-Mar-2022

15:08

Not applicable

Bopomofo.nlp

Not applicable

82,172

17-Mar-2022

15:08

Not applicable

Ksc.nlp

Not applicable

116,756

17-Mar-2022

15:08

Not applicable

Mscorlib.dll

2.0.50727.8964

4,558,848

17-Apr-2022

00:24

x86

Normidna.nlp

Not applicable

59,342

17-Mar-2022

15:08

Not applicable

Normnfc.nlp

Not applicable

45,794

17-Mar-2022

15:08

Not applicable

Normnfd.nlp

Not applicable

39,284

17-Mar-2022

15:08

Not applicable

Normnfkc.nlp

Not applicable

66,384

17-Mar-2022

15:08

Not applicable

Normnfkd.nlp

Not applicable

60,294

17-Mar-2022

15:08

Not applicable

Prc.nlp

Not applicable

83,748

17-Mar-2022

15:08

Not applicable

Prcp.nlp

Not applicable

83,748

17-Mar-2022

15:08

Not applicable

Sortkey.nlp

Not applicable

262,148

17-Mar-2022

15:08

Not applicable

Sorttbls.nlp

Not applicable

20,320

17-Mar-2022

15:08

Not applicable

Xjis.nlp

Not applicable

28,288

17-Mar-2022

15:08

Not applicable

Mscordacwks.dll

2.0.50727.8964

993,680

17-Apr-2022

00:24

x86

Mscorwks.dll

2.0.50727.8964

6,413,728

17-Apr-2022

00:24

x86

Sos.dll

2.0.50727.8964

393,128

17-Apr-2022

00:24

x86

File name

File version

File size

Date

Time

Platform

Big5.nlp

Not applicable

66,728

17-Mar-2022

15:08

Not applicable

Bopomofo.nlp

Not applicable

82,172

17-Mar-2022

15:08

Not applicable

Ksc.nlp

Not applicable

116,756

17-Mar-2022

15:08

Not applicable

Mscorlib.dll

2.0.50727.8964

4,558,848

17-Apr-2022

00:24

x86

Normidna.nlp

Not applicable

59,342

17-Mar-2022

15:08

Not applicable

Normnfc.nlp

Not applicable

45,794

17-Mar-2022

15:08

Not applicable

Normnfd.nlp

Not applicable

39,284

17-Mar-2022

15:08

Not applicable

Normnfkc.nlp

Not applicable

66,384

17-Mar-2022

15:08

Not applicable

Normnfkd.nlp

Not applicable

60,294

17-Mar-2022

15:08

Not applicable

Prc.nlp

Not applicable

83,748

17-Mar-2022

15:08

Not applicable

Prcp.nlp

Not applicable

83,748

17-Mar-2022

15:08

Not applicable

Sortkey.nlp

Not applicable

262,148

17-Mar-2022

15:08

Not applicable

Sorttbls.nlp

Not applicable

20,320

17-Mar-2022

15:08

Not applicable

Xjis.nlp

Not applicable

28,288

17-Mar-2022

15:08

Not applicable

Mscordacwks.dll

2.0.50727.8964

993,680

17-Apr-2022

00:24

x86

Mscorwks.dll

2.0.50727.8964

6,413,728

17-Apr-2022

00:24

x86

Sos.dll

2.0.50727.8964

393,128

17-Apr-2022

00:24

x86

Information about protection and security

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