Applies To.NET

Applies to:

Microsoft .NET Framework 4.8

REMINDER Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 have reached the end of mainstream support and are now in extended security update (ESU) support.

Starting in July 2020, there will no longer be optional, non-security releases (known as "C" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the "B" or Update Tuesday release).

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

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. For more information, see the ESU blog.

The January 9, 2024 update for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 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

CVE-2024-0056 – .NET Framework Security Feature Bypass Vulnerability This security update addresses a security feature bypass vulnerability detailed in CVE-2024-0056 .

CVE-2024-0057 – .NET Framework Security Feature Vulnerability This security update addresses a elevation of privilege vulnerability detailed in CVE-2024-0057.

CVE-2024-21312 – .NET Framework Denial of Service Vulnerability This security update addresses a denial of service vulnerability detailed in CVE-2024-21312 .

.NET Framework Remote Code Execution Vulnerability This security update addresses a remote code execution vulnerability to HTTP .NET remoting server channel chain.

Quality and Reliability Improvements

There are no new Quality and Reliability Improvements in this update.

Additional information about this update

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

  • 5034277 Description of the Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 (KB5034277)

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.

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 or newer update. 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. To get this security update, you must reinstall the "Extended Security Updates (ESU) Licensing Preparation Package" (KB5016892) for Windows Server 2008 R2 SP1 that is dated August 8, 2022 even if you previously installed the ESU key. 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.

  4. After you install the items above, we strongly recommend that you install the latest SSU.

    ​​​​​​​For Windows Server 2008 R2 SP1, you must have the servicing stack update (SSU) (KB5017397) that is dated September 13, 2022 or later installed. For more information about the latest SSU updates, see ADV990001 | Latest Servicing Stack Updates. If you use Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

  5. Download the ESU MAK add-on key from the VLSC portal and deploy and activate the ESU MAK add-on key. If you use the Volume Activation Management Tool  (VAMT) to deploy and activate keys, follow the instructions here.

    IMPORTANT You do not need an additional key for deployment of the following:

    • You do not need to deploy an additional ESU key for Azure virtual machines (VMs), Azure Stack HCI.

    • For other Azure products such as Azure VMWare, Azure Nutanix solution Azure Stack (Hub, Edge), or for bring-your-own images on Azure for Windows Server 2008 SP2, and Windows Server 2008 R2 SP1 you do need to deploy the ESU key.  The steps to install, activate, and deploy ESUs are the same for the fourth year of ESU coverage.

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 if you are an ESU customer.

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.

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:

20240109 Security update deployment information: January 9, 2024

Update replacement information

This update replaces previously released updates KB5032341 and KB5031226 and KB5031226.

File Information

x86

File name

File version

File size

Date

Time

Aspnet_perf.dll

4.8.4690.0

37,296

23-Dec-2023

00:36

aspnet_wp.exe

4.8.4690.0

40,888

23-Dec-2023

00:36

clr.dll

4.8.4645.0

8,658,824

23-Dec-2023

00:29

clrjit.dll

4.8.4645.0

555,968

23-Dec-2023

00:29

dfdll.dll

4.8.4654.0

179,080

23-Dec-2023

00:29

diasymreader.dll

14.8.4667.0

1,079,232

23-Dec-2023

00:29

mscordacwks.dll

4.8.4645.0

1,308,552

23-Dec-2023

00:29

mscordbi.dll

4.8.4645.0

1,189,288

23-Dec-2023

00:29

mscoreei.dll

4.8.4180.0

581,920

23-Dec-2023

00:29

mscorlib.dll

4.8.4645.0

5,736,888

23-Dec-2023

00:29

mscorsvc.dll

4.8.4331.0

454,032

23-Dec-2023

00:29

mscorsvw.exe

4.8.4331.0

125,880

23-Dec-2023

00:29

ngen.exe

4.8.4331.0

144,360

23-Dec-2023

00:29

Placeholder.dll

4.8.4690.0

19,496

23-Dec-2023

00:36

VsVersion.dll

14.8.4690.0

12,728

23-Dec-2023

00:36

PenIMC2_v0400.dll

4.8.4690.0

100,896

23-Dec-2023

00:36

peverify.dll

4.8.4645.0

183,744

23-Dec-2023

00:29

PresentationCore.dll

4.8.4690.0

3,678,240

23-Dec-2023

00:36

PresentationFramework.dll

4.8.4690.0

6,294,960

23-Dec-2023

00:29

PresentationFramework-SystemData.dll

4.8.4690.0

18,880

23-Dec-2023

00:29

PresentationHost_v0400.dll

4.8.4690.0

235,048

23-Dec-2023

00:36

PresentationHost_v0400.dll.mui

4.8.4690.0

78,768

23-Dec-2023

00:36

PresentationNative_v0400.dll

4.8.4690.0

924,192

23-Dec-2023

00:36

ReachFramework.dll

4.8.4110.0

677,656

23-Dec-2023

00:29

ServiceMonikerSupport.dll

4.8.4545.0

25,488

23-Dec-2023

00:29

SMDiagnostics.dll

4.8.4545.0

68,456

23-Dec-2023

00:29

SOS.dll

4.8.4645.0

768,904

23-Dec-2023

00:29

System.Speech.dll

4.8.4210.0

676,736

23-Dec-2023

00:29

System.Activities.dll

4.8.4545.0

1,528,640

23-Dec-2023

00:29

System.Activities.Presentation.dll

4.8.4526.0

2,121,104

23-Dec-2023

00:29

System.Core.dll

4.8.4690.0

1,551,224

23-Dec-2023

00:29

System.IdentityModel.dll

4.8.4545.0

1,088,816

23-Dec-2023

00:29

System.IdentityModel.Services.dll

4.8.4545.0

192,416

23-Dec-2023

00:29

System.Printing.dll

4.8.4110.0

399,640

23-Dec-2023

00:29

System.Runtime.Serialization.dll

4.8.4545.0

1,049,392

23-Dec-2023

00:29

System.ServiceModel.Activities.dll

4.8.4261.0

555,384

23-Dec-2023

00:29

System.ServiceModel.Channels.dll

4.8.4545.0

151,984

23-Dec-2023

00:29

System.ServiceModel.Discovery.dll

4.8.4545.0

302,480

23-Dec-2023

00:29

System.ServiceModel.dll

4.8.4545.0

6,387,016

23-Dec-2023

00:29

System.ServiceModel.Internals.dll

4.8.4545.0

248,680

23-Dec-2023

00:29

System.ServiceModel.WasHosting.dll

4.8.4545.0

34,192

23-Dec-2023

00:29

System.ServiceModel.Web.dll

4.8.4261.0

321,792

23-Dec-2023

00:29

System.Web.ApplicationServices.dll

4.8.4690.0

65,904

23-Dec-2023

00:29

System.Web.Extensions.dll

4.8.4690.0

1,845,344

23-Dec-2023

00:29

System.Windows.Forms.DataVisualization.dll

4.8.4210.0

1,712,512

23-Dec-2023

00:29

System.Workflow.Activities.dll

4.8.4110.0

1,051,112

23-Dec-2023

00:29

System.Workflow.ComponentModel.dll

4.8.4110.0

1,557,272

23-Dec-2023

00:29

System.Workflow.Runtime.dll

4.8.4110.0

503,064

23-Dec-2023

00:29

System.Configuration.dll

4.8.4190.0

421,536

23-Dec-2023

00:29

System.Data.dll

4.8.4690.0

3,480,608

23-Dec-2023

00:36

System.Deployment.dll

4.8.4654.0

1,596,304

23-Dec-2023

00:29

System.DirectoryServices.dll

4.8.4510.0

418,112

23-Dec-2023

00:29

System.dll

4.8.4690.0

3,561,064

23-Dec-2023

00:29

System.Drawing.Design.dll

4.8.4210.0

125,192

23-Dec-2023

00:29

System.Drawing.dll

4.8.4395.0

595,728

23-Dec-2023

00:29

System.Management.dll

4.8.4450.0

408,856

23-Dec-2023

00:29

System.Runtime.Remoting.dll

4.8.4690.0

343,008

23-Dec-2023

00:29

System.Security.dll

4.8.4261.0

320,280

23-Dec-2023

00:29

System.Web.dll

4.8.4690.0

5,412,384

23-Dec-2023

00:36

System.Windows.Controls.Ribbon.dll

4.8.4690.0

744,992

23-Dec-2023

00:29

System.Windows.Forms.dll

4.8.4654.0

5,922,672

23-Dec-2023

00:29

System.Xaml.dll

4.8.4690.0

634,224

23-Dec-2023

00:29

UIAutomationClient.dll

4.8.4690.0

172,576

23-Dec-2023

00:29

UIAutomationClientsideProviders.dll

4.8.4690.0

355,256

23-Dec-2023

00:29

UIAutomationProvider.dll

4.8.4690.0

42,928

23-Dec-2023

00:29

UIAutomationTypes.dll

4.8.4690.0

217,024

23-Dec-2023

00:29

webengine.dll

4.8.4690.0

20,528

23-Dec-2023

00:36

webengine4.dll

4.8.4690.0

565,688

23-Dec-2023

00:36

WindowsBase.dll

4.8.4690.0

1,300,400

23-Dec-2023

00:29

WindowsFormsIntegration.dll

4.8.4614.0

102,336

23-Dec-2023

00:29

WorkflowServiceHostPerformanceCounters.dll

4.8.4110.0

89,368

23-Dec-2023

00:29

WPFFontCache_v0400.exe.mui

4.8.4690.0

13,232

23-Dec-2023

00:59

WPFFontCache_v0400.exe

4.8.4690.0

20,960

23-Dec-2023

00:59

wpfgfx_v0400.dll

4.8.4690.0

1,620,520

23-Dec-2023

00:36

x64

File name

File version

File size

Date

Time

Aspnet_perf.dll

4.8.4690.0

43,040

23-Dec-2023

00:29

Aspnet_perf.dll

4.8.4690.0

37,296

23-Dec-2023

00:36

aspnet_wp.exe

4.8.4690.0

46,520

23-Dec-2023

00:29

aspnet_wp.exe

4.8.4690.0

40,888

23-Dec-2023

00:36

clr.dll

4.8.4645.0

11,710,392

23-Dec-2023

00:29

clr.dll

4.8.4645.0

8,658,824

23-Dec-2023

00:29

clrjit.dll

4.8.4645.0

1,359,288

23-Dec-2023

00:29

clrjit.dll

4.8.4645.0

555,968

23-Dec-2023

00:29

compatjit.dll

4.8.4645.0

1,274,304

23-Dec-2023

00:29

dfdll.dll

4.8.4654.0

215,944

23-Dec-2023

00:29

dfdll.dll

4.8.4654.0

179,080

23-Dec-2023

00:29

diasymreader.dll

14.8.4667.0

1,494,920

23-Dec-2023

00:29

diasymreader.dll

14.8.4667.0

1,079,232

23-Dec-2023

00:29

mscordacwks.dll

4.8.4645.0

1,803,688

23-Dec-2023

00:29

mscordacwks.dll

4.8.4645.0

1,308,552

23-Dec-2023

00:29

mscordbi.dll

4.8.4645.0

1,655,672

23-Dec-2023

00:29

mscordbi.dll

4.8.4645.0

1,189,288

23-Dec-2023

00:29

mscoreei.dll

4.8.4180.0

689,952

23-Dec-2023

00:29

mscoreei.dll

4.8.4180.0

581,920

23-Dec-2023

00:29

mscorlib.dll

4.8.4645.0

5,499,272

23-Dec-2023

00:29

mscorlib.dll

4.8.4645.0

5,736,888

23-Dec-2023

00:29

mscorsvc.dll

4.8.4331.0

557,944

23-Dec-2023

00:29

mscorsvc.dll

4.8.4331.0

454,032

23-Dec-2023

00:29

mscorsvw.exe

4.8.4331.0

152,000

23-Dec-2023

00:29

mscorsvw.exe

4.8.4331.0

125,880

23-Dec-2023

00:29

ngen.exe

4.8.4331.0

174,568

23-Dec-2023

00:29

ngen.exe

4.8.4331.0

144,360

23-Dec-2023

00:29

VsVersion.dll

14.8.4690.0

12,728

23-Dec-2023

00:29

Placeholder.dll

4.8.4690.0

21,424

23-Dec-2023

00:29

Placeholder.dll

4.8.4690.0

19,496

23-Dec-2023

00:36

VsVersion.dll

14.8.4690.0

12,728

23-Dec-2023

00:36

PenIMC2_v0400.dll

4.8.4690.0

121,888

23-Dec-2023

00:29

PenIMC2_v0400.dll

4.8.4690.0

100,896

23-Dec-2023

00:36

peverify.dll

4.8.4645.0

266,688

23-Dec-2023

00:29

peverify.dll

4.8.4645.0

183,744

23-Dec-2023

00:29

PresentationCore.dll

4.8.4690.0

3,654,688

23-Dec-2023

00:29

PresentationCore.dll

4.8.4690.0

3,678,240

23-Dec-2023

00:36

PresentationFramework.dll

4.8.4690.0

6,294,960

23-Dec-2023

00:29

PresentationFramework-SystemData.dll

4.8.4690.0

18,880

23-Dec-2023

00:29

PresentationHost_v0400.dll

4.8.4690.0

303,536

23-Dec-2023

00:29

PresentationHost_v0400.dll.mui

4.8.4690.0

78,784

23-Dec-2023

00:29

PresentationHost_v0400.dll

4.8.4690.0

235,048

23-Dec-2023

00:36

PresentationHost_v0400.dll.mui

4.8.4690.0

78,768

23-Dec-2023

00:36

PresentationNative_v0400.dll

4.8.4690.0

1,165,240

23-Dec-2023

00:29

PresentationNative_v0400.dll

4.8.4690.0

924,192

23-Dec-2023

00:36

ReachFramework.dll

4.8.4110.0

677,656

23-Dec-2023

00:29

ServiceMonikerSupport.dll

4.8.4545.0

28,576

23-Dec-2023

00:29

ServiceMonikerSupport.dll

4.8.4545.0

25,488

23-Dec-2023

00:29

SMDiagnostics.dll

4.8.4545.0

68,456

23-Dec-2023

00:29

SOS.dll

4.8.4645.0

923,056

23-Dec-2023

00:29

SOS.dll

4.8.4645.0

768,904

23-Dec-2023

00:29

System.Speech.dll

4.8.4210.0

676,736

23-Dec-2023

00:29

System.Activities.dll

4.8.4545.0

1,528,640

23-Dec-2023

00:29

System.Activities.Presentation.dll

4.8.4526.0

2,121,104

23-Dec-2023

00:29

System.Core.dll

4.8.4690.0

1,551,224

23-Dec-2023

00:29

System.IdentityModel.dll

4.8.4545.0

1,088,816

23-Dec-2023

00:29

System.IdentityModel.Services.dll

4.8.4545.0

192,416

23-Dec-2023

00:29

System.Printing.dll

4.8.4110.0

400,152

23-Dec-2023

00:29

System.Printing.dll

4.8.4110.0

399,640

23-Dec-2023

00:29

System.Runtime.Serialization.dll

4.8.4545.0

1,049,392

23-Dec-2023

00:29

System.ServiceModel.Activities.dll

4.8.4261.0

555,384

23-Dec-2023

00:29

System.ServiceModel.Channels.dll

4.8.4545.0

151,984

23-Dec-2023

00:29

System.ServiceModel.Discovery.dll

4.8.4545.0

302,480

23-Dec-2023

00:29

System.ServiceModel.dll

4.8.4545.0

6,387,016

23-Dec-2023

00:29

System.ServiceModel.Internals.dll

4.8.4545.0

248,680

23-Dec-2023

00:29

System.ServiceModel.WasHosting.dll

4.8.4545.0

34,192

23-Dec-2023

00:29

System.ServiceModel.Web.dll

4.8.4261.0

321,792

23-Dec-2023

00:29

System.Web.ApplicationServices.dll

4.8.4690.0

65,904

23-Dec-2023

00:29

System.Web.Extensions.dll

4.8.4690.0

1,845,344

23-Dec-2023

00:29

System.Windows.Forms.DataVisualization.dll

4.8.4210.0

1,712,512

23-Dec-2023

00:29

System.Workflow.Activities.dll

4.8.4110.0

1,051,112

23-Dec-2023

00:29

System.Workflow.ComponentModel.dll

4.8.4110.0

1,557,272

23-Dec-2023

00:29

System.Workflow.Runtime.dll

4.8.4110.0

503,064

23-Dec-2023

00:29

System.configuration.dll

4.8.4190.0

421,536

23-Dec-2023

00:29

System.Data.dll

4.8.4690.0

3,547,168

23-Dec-2023

00:29

System.Data.dll

4.8.4690.0

3,480,608

23-Dec-2023

00:36

System.Deployment.dll

4.8.4654.0

1,596,304

23-Dec-2023

00:29

System.DirectoryServices.dll

4.8.4510.0

418,112

23-Dec-2023

00:29

System.dll

4.8.4690.0

3,561,064

23-Dec-2023

00:29

System.Drawing.Design.dll

4.8.4210.0

125,192

23-Dec-2023

00:29

System.Drawing.dll

4.8.4395.0

595,728

23-Dec-2023

00:29

System.Management.dll

4.8.4450.0

408,856

23-Dec-2023

00:29

System.Runtime.Remoting.dll

4.8.4690.0

343,008

23-Dec-2023

00:29

System.Security.dll

4.8.4261.0

320,280

23-Dec-2023

00:29

System.Web.dll

4.8.4690.0

5,399,472

23-Dec-2023

00:29

System.Web.dll

4.8.4690.0

5,412,384

23-Dec-2023

00:36

System.Windows.Controls.Ribbon.dll

4.8.4690.0

744,992

23-Dec-2023

00:29

System.Windows.Forms.dll

4.8.4654.0

5,922,672

23-Dec-2023

00:29

System.Xaml.dll

4.8.4690.0

634,224

23-Dec-2023

00:29

UIAutomationClient.dll

4.8.4690.0

172,576

23-Dec-2023

00:29

UIAutomationClientsideProviders.dll

4.8.4690.0

355,256

23-Dec-2023

00:29

UIAutomationProvider.dll

4.8.4690.0

42,928

23-Dec-2023

00:29

UIAutomationTypes.dll

4.8.4690.0

217,024

23-Dec-2023

00:29

webengine.dll

4.8.4690.0

22,448

23-Dec-2023

00:29

webengine.dll

4.8.4690.0

20,528

23-Dec-2023

00:36

webengine4.dll

4.8.4690.0

676,392

23-Dec-2023

00:29

webengine4.dll

4.8.4690.0

565,688

23-Dec-2023

00:36

WindowsBase.dll

4.8.4690.0

1,300,400

23-Dec-2023

00:29

WindowsFormsIntegration.dll

4.8.4614.0

102,336

23-Dec-2023

00:29

WorkflowServiceHostPerformanceCounters.dll

4.8.4110.0

102,672

23-Dec-2023

00:29

WorkflowServiceHostPerformanceCounters.dll

4.8.4110.0

89,368

23-Dec-2023

00:29

WPFFontCache_v0400.exe.mui

4.8.4690.0

13,232

23-Dec-2023

00:59

WPFFontCache_v0400.exe.mui

4.8.4690.0

13,232

23-Dec-2023

00:59

WPFFontCache_v0400.exe

4.8.4690.0

22,992

23-Dec-2023

00:59

WPFFontCache_v0400.exe

4.8.4690.0

20,960

23-Dec-2023

00:59

wpfgfx_v0400.dll

4.8.4690.0

2,052,032

23-Dec-2023

00:29

wpfgfx_v0400.dll

4.8.4690.0

1,620,520

23-Dec-2023

00:36

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