Applies to:
Microsoft .NET Framework 4.8
Note:Â Revised on Jun 20, 2023 to add resolution to known issue.
The February 14, 2023 update for Windows Embedded 8 Standard and Windows Server 2012 includes cumulative 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
CVE-2023-21808 - .NET Framework Remote Code Execution Vulnerability CVE-2023-21808.
This security update addresses a vulnerability in the MSDIA SDK where an untrusted pointer dereference can cause memory corruption, leading to a crash or remove code execution. For more information please seeCVE-2023-21722 - .NET Framework Denial of Service Vulnerability CVE-2023-21722.
This security update addresses a vulnerability where the Visual Studio WMI Setup Provider Installer can be used by a low level, local attacker to corrupt local files that SYSTEM can writ to, leading to a potential denial of service. For more information please seeAdditional information about this update
The following articles contain additional information about this update as it relates to individual product versions.
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5022784 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 Embedded 8 Standard and Windows Server 2012 (KB5022784)
Known issues in this update
Symptom |
After installing this update, WPF apps may have a change in behavior. For more information about this issue, see KB5022083 |
Workaround |
To mitigate this issue, see KB5022083. |
Resolution |
This issue has been resolved in the June 13, 2023 Security and Quality Rollup and Cumulative Update. If you used any workaround or mitigations for this issue, they are no longer needed, and we recommend you remove them. To remove workaround review the workaround or alternative workaround which was applied for instructions. The workaround should be removed prior to installing the June update. |
How to obtain and install the 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 |
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:
20230214 Security update deployment information: February 14, 2023
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-RT-KB5022514-x64-NDP48.msu |
4A5CA5F9D32B25FFC914AC7C1E233C1651D775523FF0886A33D898671EE061F2 |
Windows8-RT-KB5022514-x86-NDP48.msu |
4D2EBC166530AE0F0F70DFB5E8D1DA8BE0307DFC6B2D8AC4C6DDFDB52BF6B5BE |
File name |
File version |
File size |
Date |
Time |
Platform |
Mscorlib.dll |
4.8.4614.0 |
5,432,720 |
14-Dec-2022 |
07:11 |
x64 |
Normidna.nlp |
Not applicable |
59,342 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfc.nlp |
Not applicable |
47,076 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfd.nlp |
Not applicable |
40,566 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfkc.nlp |
Not applicable |
67,808 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfkd.nlp |
Not applicable |
61,718 |
08-Nov-2019 |
21:00 |
Not applicable |
Clrjit.dll |
4.8.4614.0 |
1,359,248 |
14-Dec-2022 |
07:11 |
x64 |
Clr.dll |
4.8.4614.0 |
11,710,368 |
14-Dec-2022 |
07:11 |
x64 |
Compatjit.dll |
4.8.4614.0 |
1,274,272 |
14-Dec-2022 |
07:11 |
x64 |
Diasymreader.dll |
14.8.4614.0 |
1,486,736 |
14-Dec-2022 |
07:11 |
x64 |
Mscordacwks.dll |
4.8.4614.0 |
1,803,664 |
14-Dec-2022 |
07:11 |
x64 |
Mscordbi.dll |
4.8.4614.0 |
1,655,680 |
14-Dec-2022 |
07:11 |
x64 |
Peverify.dll |
4.8.4614.0 |
266,640 |
14-Dec-2022 |
07:11 |
x64 |
Sos.dll |
4.8.4614.0 |
923,008 |
14-Dec-2022 |
07:11 |
x64 |
Mscorlib.dll |
4.8.4614.0 |
5,671,872 |
14-Dec-2022 |
07:20 |
x86 |
Normidna.nlp |
Not applicable |
59,342 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfc.nlp |
Not applicable |
47,076 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfd.nlp |
Not applicable |
40,566 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfkc.nlp |
Not applicable |
67,808 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfkd.nlp |
Not applicable |
61,718 |
08-Nov-2019 |
21:00 |
Not applicable |
Clrjit.dll |
4.8.4614.0 |
555,936 |
14-Dec-2022 |
07:13 |
x86 |
Clr.dll |
4.8.4614.0 |
8,658,848 |
14-Dec-2022 |
07:13 |
x86 |
Diasymreader.dll |
14.8.4614.0 |
1,074,080 |
14-Dec-2022 |
07:13 |
x86 |
Mscordacwks.dll |
4.8.4614.0 |
1,308,544 |
14-Dec-2022 |
07:13 |
x86 |
Mscordbi.dll |
4.8.4614.0 |
1,189,264 |
14-Dec-2022 |
07:13 |
x86 |
Peverify.dll |
4.8.4614.0 |
183,696 |
14-Dec-2022 |
07:13 |
x86 |
Sos.dll |
4.8.4614.0 |
768,912 |
14-Dec-2022 |
07:13 |
x86 |
File name |
File version |
File size |
Date |
Time |
Platform |
Mscorlib.dll |
4.8.4614.0 |
5,671,872 |
14-Dec-2022 |
07:20 |
x86 |
Normidna.nlp |
Not applicable |
59,342 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfc.nlp |
Not applicable |
47,076 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfd.nlp |
Not applicable |
40,566 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfkc.nlp |
Not applicable |
67,808 |
08-Nov-2019 |
21:00 |
Not applicable |
Normnfkd.nlp |
Not applicable |
61,718 |
08-Nov-2019 |
21:00 |
Not applicable |
Clrjit.dll |
4.8.4614.0 |
555,936 |
14-Dec-2022 |
07:13 |
x86 |
Clr.dll |
4.8.4614.0 |
8,658,848 |
14-Dec-2022 |
07:13 |
x86 |
Diasymreader.dll |
14.8.4614.0 |
1,074,080 |
14-Dec-2022 |
07:13 |
x86 |
Mscordacwks.dll |
4.8.4614.0 |
1,308,544 |
14-Dec-2022 |
07:13 |
x86 |
Mscordbi.dll |
4.8.4614.0 |
1,189,264 |
14-Dec-2022 |
07:13 |
x86 |
Peverify.dll |
4.8.4614.0 |
183,696 |
14-Dec-2022 |
07:13 |
x86 |
Sos.dll |
4.8.4614.0 |
768,912 |
14-Dec-2022 |
07:13 |
x86 |
Prerequisites
To apply this update, you must have .NET Framework 4.8 installed.
Restart requirement
You must 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.
How to obtain help and support for this update
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Help for installing updates: Windows Update FAQ
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Protect yourself online and at home: Windows Security support
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Local support according to your country: International Support