Applies to:

Microsoft .NET Framework 3.5.1

IMPORTANT Verify that you have installed the required updates listed in the How to get this update section before installing this update. 

IMPORTANT Some customers who use Windows Server 2008 R2 SP1 and have activated their ESU multiple activation key (MAK) add-on before installing the January 14, 2020 updates might need to re-activate their key. Re-activation on the affected devices should only be required once.  For information on activation, see this blog post.

IMPORTANT WSUS scan cab files will continue to be available for Windows 7 SP1 and Windows Server 2008 R2 SP1. If you have a subset of devices running these operating systems without ESU, they might show as non-compliant in your patch management and compliance toolsets.

IMPORTANT Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in KB4522133 to continue receiving security updates after extended support ends on January 14, 2020. For more information on ESU and which editions are supported, see KB4497181.

IMPORTANT Starting on January 15, 2020, a full-screen notification will appear that describes the risk of continuing to use Windows 7 Service Pack 1 after it reaches end of support on January 14, 2020. The notification will remain on the screen until you interact with it. This notification will only appear on the following editions of Windows 7 Service Pack 1:

Note The notification will not appear on domain-joined machines or machines in kiosk mode.

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.

  • 5013837 Description of the Security Only Update for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB5013837)

How to obtain and install the update

Before installing this update

Prerequisite:

To apply this update, you must have .NET Framework 3.5.1 installed.

You must install the updates listed below and restart your device before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.

  1. The March 12, 2019 servicing stack update (SSU) (KB4490628). To get the standalone package for this SSU, search for it in the Microsoft Update Catalog. This update is required to install updates that are only SHA-2 signed.

  2. The latest SHA-2 update (KB4474419) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS.

  3. The Extended Security Updates (ESU) Licensing Preparation Package (KB4538483) released February 11, 2020. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the Microsoft Update Catalog.

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 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1,Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7

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

Windows6.1-KB5013620-x64.msu

242410576096C0F3D3645FD754EC5D3933F87BADF4602A0E70EB618F7AAD21FC

Windows6.1-KB5013620-x86.msu

4AD01CCF3DEE2DDB0747BF453F0DCC4CE7186B7EB44556C7579D6A595EF8D2EF

File name

File version

File size

Date

Time

Platform

Big5.nlp

Not applicable

66,728

27-Oct-2021

00:22

Not applicable

Bopomofo.nlp

Not applicable

82,172

27-Oct-2021

00:22

Not applicable

Ksc.nlp

Not applicable

116,756

27-Oct-2021

00:22

Not applicable

Mscorlib.dll

2.0.50727.8964

4,575,232

05-Apr-2022

00:16

x64

Normidna.nlp

Not applicable

59,342

27-Oct-2021

00:22

Not applicable

Normnfc.nlp

Not applicable

45,794

27-Oct-2021

00:22

Not applicable

Normnfd.nlp

Not applicable

39,284

27-Oct-2021

00:22

Not applicable

Normnfkc.nlp

Not applicable

66,384

27-Oct-2021

00:22

Not applicable

Normnfkd.nlp

Not applicable

60,294

27-Oct-2021

00:22

Not applicable

Prc.nlp

Not applicable

83,748

27-Oct-2021

00:22

Not applicable

Prcp.nlp

Not applicable

83,748

27-Oct-2021

00:22

Not applicable

Sortkey.nlp

Not applicable

262,148

27-Oct-2021

00:22

Not applicable

Sorttbls.nlp

Not applicable

20,320

27-Oct-2021

00:22

Not applicable

Xjis.nlp

Not applicable

28,288

27-Oct-2021

00:22

Not applicable

Mscordacwks.dll

2.0.50727.8964

1,760,680

05-Apr-2022

00:16

x64

Mscorwks.dll

2.0.50727.8964

10,625,968

05-Apr-2022

00:16

x64

Sos.dll

2.0.50727.8964

489,384

05-Apr-2022

00:16

x64

Big5.nlp

Not applicable

66,728

17-Feb-2022

22:20

Not applicable

Bopomofo.nlp

Not applicable

82,172

17-Feb-2022

22:20

Not applicable

Ksc.nlp

Not applicable

116,756

17-Feb-2022

22:20

Not applicable

Mscorlib.dll

2.0.50727.8964

4,558,848

05-Apr-2022

00:20

x86

Normidna.nlp

Not applicable

59,342

17-Feb-2022

22:20

Not applicable

Normnfc.nlp

Not applicable

45,794

17-Feb-2022

22:20

Not applicable

Normnfd.nlp

Not applicable

39,284

17-Feb-2022

22:20

Not applicable

Normnfkc.nlp

Not applicable

66,384

17-Feb-2022

22:20

Not applicable

Normnfkd.nlp

Not applicable

60,294

17-Feb-2022

22:20

Not applicable

Prc.nlp

Not applicable

83,748

17-Feb-2022

22:20

Not applicable

Prcp.nlp

Not applicable

83,748

17-Feb-2022

22:20

Not applicable

Sortkey.nlp

Not applicable

262,148

17-Feb-2022

22:20

Not applicable

Sorttbls.nlp

Not applicable

20,320

17-Feb-2022

22:20

Not applicable

Xjis.nlp

Not applicable

28,288

17-Feb-2022

22:20

Not applicable

Mscordacwks.dll

2.0.50727.8964

993,680

05-Apr-2022

00:20

x86

Mscorwks.dll

2.0.50727.8964

6,413,728

05-Apr-2022

00:20

x86

Sos.dll

2.0.50727.8964

393,128

05-Apr-2022

00:20

x86

File name

File version

File size

Date

Time

Platform

Big5.nlp

Not applicable

66,728

17-Feb-2022

22:20

Not applicable

Bopomofo.nlp

Not applicable

82,172

17-Feb-2022

22:20

Not applicable

Ksc.nlp

Not applicable

116,756

17-Feb-2022

22:20

Not applicable

Mscorlib.dll

2.0.50727.8964

4,558,848

05-Apr-2022

00:20

x86

Normidna.nlp

Not applicable

59,342

17-Feb-2022

22:20

Not applicable

Normnfc.nlp

Not applicable

45,794

17-Feb-2022

22:20

Not applicable

Normnfd.nlp

Not applicable

39,284

17-Feb-2022

22:20

Not applicable

Normnfkc.nlp

Not applicable

66,384

17-Feb-2022

22:20

Not applicable

Normnfkd.nlp

Not applicable

60,294

17-Feb-2022

22:20

Not applicable

Prc.nlp

Not applicable

83,748

17-Feb-2022

22:20

Not applicable

Prcp.nlp

Not applicable

83,748

17-Feb-2022

22:20

Not applicable

Sortkey.nlp

Not applicable

262,148

17-Feb-2022

22:20

Not applicable

Sorttbls.nlp

Not applicable

20,320

17-Feb-2022

22:20

Not applicable

Xjis.nlp

Not applicable

28,288

17-Feb-2022

22:20

Not applicable

Mscordacwks.dll

2.0.50727.8964

993,680

05-Apr-2022

00:20

x86

Mscorwks.dll

2.0.50727.8964

6,413,728

05-Apr-2022

00:20

x86

Sos.dll

2.0.50727.8964

393,128

05-Apr-2022

00:20

x86

Information about protection and security

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