Applies to:
Microsoft .NET Framework 4.8
Summary
Quality Improvements
|
WPF1 |
- Addresses an issue when rapid typing using an IME can crash via FailFast. - Addresses an issue where Thaana characters displayed in left-to-right order. - Addresses a crash when WebBrowser receives a completion event for a navigation it tried to cancel. |
|
CLR2 |
- Addresses a performance issue caused by incorrect configuration in the GC. - Addresses an issue where a background GC could pause the runtime for a long period of time if a large managed heap is filled with long lived objects with a deep chain of references. - Addresses an issue where crashes could occur if security stackwalks were generated during ThreadAbortException handling. |
|
NCL3 |
- .NET Framework 4.8 will now allow to negotiate TLS 1.3 if underlying OS supports it. |
1 Windows Presentation Foundation (WPF)
2 Common Language Runtime (CLR)
3 Network Class Library
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.
-
5003780 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 Server 2012 (KB5003780)
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 |
|
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 Server 2012 Classification: Updates |
Update removal information
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 5001880.
File Information
|
File name |
File version |
File size |
Date |
Time |
Platform |
SP requirement |
Service branch |
|
Presentationframework-systemdata.dll |
4.8.4380.0 |
17,800 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Presentationframework.dll |
4.8.4380.0 |
6,283,144 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Reachframework.dll |
4.8.4110.0 |
677,656 |
04-Dec-2019 |
02:55 |
x86 |
None |
Not applicable |
|
Smdiagnostics.dll |
4.8.4261.0 |
66,328 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
Smsvchost.exe |
4.8.4121.0 |
139,056 |
07-Dec-2019 |
06:03 |
x86 |
None |
Not applicable |
|
System.activities.presentation.dll |
4.8.4150.0 |
2,127,128 |
09-Jan-2020 |
19:46 |
x86 |
None |
Not applicable |
|
System.activities.dll |
4.8.4261.0 |
1,526,528 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.configuration.dll |
4.8.4190.0 |
421,536 |
05-Jun-2020 |
05:04 |
x86 |
None |
Not applicable |
|
System.core.dll |
4.8.4380.0 |
1,549,088 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
System.deployment.dll |
4.8.4290.0 |
1,593,624 |
30-Sep-2020 |
01:40 |
x86 |
None |
Not applicable |
|
System.drawing.design.dll |
4.8.4210.0 |
125,192 |
30-Jun-2020 |
01:55 |
x86 |
None |
Not applicable |
|
System.identitymodel.services.dll |
4.8.4261.0 |
191,352 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.identitymodel.dll |
4.8.4261.0 |
1,086,744 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.net.sockets.dll |
4.8.4121.0 |
30,360 |
07-Dec-2019 |
06:03 |
x86 |
None |
Not applicable |
|
System.runtime.serialization.dll |
4.8.4261.0 |
1,047,312 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.security.dll |
4.8.4261.0 |
320,280 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.servicemodel.activities.dll |
4.8.4261.0 |
555,384 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.servicemodel.channels.dll |
4.8.4261.0 |
150,904 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.servicemodel.discovery.dll |
4.8.4261.0 |
301,432 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.servicemodel.internals.dll |
4.8.4261.0 |
246,528 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.servicemodel.washosting.dll |
4.8.4261.0 |
33,144 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.servicemodel.web.dll |
4.8.4261.0 |
321,792 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.servicemodel.dll |
4.8.4261.0 |
6,383,896 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
System.speech.dll |
4.8.4210.0 |
676,736 |
30-Jun-2020 |
01:55 |
x86 |
SPE |
MSIL_SYSTEM.SP |
|
System.web.applicationservices.dll |
4.8.4330.0 |
63,768 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
System.web.extensions.dll |
4.8.4330.0 |
1,842,448 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
System.windows.controls.ribbon.dll |
4.8.4380.0 |
743,816 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
System.windows.forms.datavisualization.dll |
4.8.4210.0 |
1,712,512 |
30-Jun-2020 |
01:55 |
x86 |
None |
Not applicable |
|
System.windows.forms.dll |
4.8.4350.0 |
5,915,408 |
31-Mar-2021 |
03:33 |
x86 |
None |
Not applicable |
|
System.workflow.activities.dll |
4.8.4110.0 |
1,051,112 |
04-Dec-2019 |
02:55 |
x86 |
None |
Not applicable |
|
System.workflow.componentmodel.dll |
4.8.4110.0 |
1,557,272 |
04-Dec-2019 |
02:55 |
x86 |
None |
Not applicable |
|
System.workflow.runtime.dll |
4.8.4110.0 |
503,064 |
04-Dec-2019 |
02:55 |
x86 |
None |
Not applicable |
|
System.xaml.dll |
4.8.4380.0 |
632,112 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
System.dll |
4.8.4380.0 |
3,554,584 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Uiautomationclientsideproviders.dll |
4.8.4380.0 |
354,192 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Uiautomationclient.dll |
4.8.4380.0 |
170,880 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Uiautomationprovider.dll |
4.8.4380.0 |
41,864 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Uiautomationtypes.dll |
4.8.4380.0 |
215,944 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Windowsbase.dll |
4.8.4380.0 |
1,298,824 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Windowsformsintegration.dll |
4.8.4150.0 |
105,240 |
09-Jan-2020 |
19:46 |
x86 |
None |
Not applicable |
|
Mscorlib.dll |
4.8.4380.0 |
5,670,800 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Normidna.nlp |
Not applicable |
59,342 |
25-Jun-2019 |
22:47 |
Not applicable |
None |
Not applicable |
|
Normnfc.nlp |
Not applicable |
47,076 |
25-Jun-2019 |
22:47 |
Not applicable |
None |
Not applicable |
|
Normnfd.nlp |
Not applicable |
40,566 |
25-Jun-2019 |
22:47 |
Not applicable |
None |
Not applicable |
|
Normnfkc.nlp |
Not applicable |
67,808 |
25-Jun-2019 |
22:47 |
Not applicable |
None |
Not applicable |
|
Normnfkd.nlp |
Not applicable |
61,718 |
25-Jun-2019 |
22:47 |
Not applicable |
None |
Not applicable |
|
Aspnet_perf.dll |
4.8.4330.0 |
36,232 |
05-Jan-2021 |
01:30 |
x86 |
SPN |
X86_NETFX4-ASP |
|
Aspnet_state_perf.h |
Not applicable |
318 |
04-Jan-2021 |
23:56 |
Not applicable |
SPN |
X86_NETFX4-ASP |
|
Aspnet_state_perf.ini |
Not applicable |
42,996 |
05-Jan-2021 |
01:31 |
Not applicable |
SPN |
X86_NETFX4-ASP |
|
Aspnet_wp.exe |
4.8.4330.0 |
39,824 |
05-Jan-2021 |
01:30 |
x86 |
SPN |
X86_NETFX4-ASP |
|
Clrjit.dll |
4.8.4380.0 |
554,888 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Clr.dll |
4.8.4380.0 |
8,037,760 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Dfdll.dll |
4.8.4290.0 |
178,040 |
30-Sep-2020 |
01:40 |
x86 |
None |
Not applicable |
|
Globalmonospace.compositefont |
Not applicable |
26,040 |
21-Jan-2021 |
23:07 |
Not applicable |
SPA |
X86_NETFX4-GLOBALMONOSP |
|
Globalsansserif.compositefont |
Not applicable |
26,489 |
21-Jan-2021 |
23:07 |
Not applicable |
None |
Not applicable |
|
Globalserif.compositefont |
Not applicable |
29,779 |
21-Jan-2021 |
23:07 |
Not applicable |
None |
Not applicable |
|
Globaluserinterface.compositefont |
Not applicable |
264,986 |
30-Jan-2021 |
02:18 |
Not applicable |
None |
Not applicable |
|
Mscordacwks.dll |
4.8.4380.0 |
1,307,536 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Mscordbi.dll |
4.8.4380.0 |
1,188,736 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Mscoreei.dll |
4.8.4180.0 |
581,920 |
26-Mar-2020 |
23:11 |
x86 |
None |
Not applicable |
|
Mscorsvc.dll |
4.8.4330.0 |
454,024 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
Mscorsvw.exe |
4.8.4330.0 |
125,872 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
Ngentask.exe |
4.8.4330.0 |
79,824 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
Ngen.exe |
4.8.4330.0 |
144,344 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
Penimc.dll |
14.8.4380.0 |
11,656 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Penimc2_v0400.dll |
4.8.4380.0 |
99,728 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Penimc_v0400.dll |
4.8.4380.0 |
18,320 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Peverify.dll |
4.8.4380.0 |
182,648 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Presentationhost_v0400.dll.mui |
4.8.4380.0 |
77,704 |
30-Apr-2021 |
09:50 |
Not applicable |
None |
Not applicable |
|
Presentationhost_v0400.dll |
4.8.4380.0 |
233,872 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Presentationnative_v0400.dll |
4.8.4380.0 |
923,024 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Servicemodel.mof |
Not applicable |
88,383 |
08-Nov-2019 |
23:28 |
Not applicable |
None |
Not applicable |
|
Servicemodel.mof.uninstall |
Not applicable |
896 |
08-Nov-2019 |
23:28 |
Not applicable |
None |
Not applicable |
|
Servicemonikersupport.dll |
4.8.4261.0 |
24,456 |
02-Sep-2020 |
21:05 |
x86 |
None |
Not applicable |
|
_smsvchostperfcounters.h |
Not applicable |
702 |
06-Dec-2019 |
22:20 |
Not applicable |
None |
Not applicable |
|
_smsvchostperfcounters.ini |
Not applicable |
133,894 |
07-Dec-2019 |
06:04 |
Not applicable |
None |
Not applicable |
|
_smsvchostperfcounters_d.ini |
Not applicable |
39 |
08-Nov-2019 |
03:11 |
Not applicable |
None |
Not applicable |
|
Smsvchost.exe.config |
Not applicable |
2,262 |
25-Jul-2019 |
21:42 |
Not applicable |
None |
Not applicable |
|
Sos.dll |
4.8.4380.0 |
767,376 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
System.core.dll |
4.8.4380.0 |
1,549,088 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
System.web.extensions.dll |
4.8.4330.0 |
1,842,448 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
System.windows.forms.datavisualization.dll |
4.8.4210.0 |
1,712,512 |
30-Jun-2020 |
01:55 |
x86 |
None |
Not applicable |
|
Webengine4.dll |
4.8.4330.0 |
564,616 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
Webengine.dll |
4.8.4330.0 |
19,328 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
|
Workflowservicehostperformancecounters.dll |
4.8.4110.0 |
89,368 |
04-Dec-2019 |
02:55 |
x86 |
None |
Not applicable |
|
Wpfgfx_v0400.dll |
4.8.4380.0 |
1,618,808 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
Globalmonospace.compositefont |
Not applicable |
26,040 |
21-Jan-2021 |
23:07 |
Not applicable |
None |
Not applicable |
|
Globalsansserif.compositefont |
Not applicable |
26,489 |
21-Jan-2021 |
23:07 |
Not applicable |
None |
Not applicable |
|
Globalserif.compositefont |
Not applicable |
29,779 |
21-Jan-2021 |
23:07 |
Not applicable |
None |
Not applicable |
|
Globaluserinterface.compositefont |
Not applicable |
264,986 |
30-Jan-2021 |
02:18 |
Not applicable |
None |
Not applicable |
|
Presentationcore.dll |
4.8.4380.0 |
3,674,512 |
30-Apr-2021 |
09:50 |
x86 |
None |
Not applicable |
|
System.data.dll |
4.8.4290.0 |
3,476,360 |
30-Sep-2020 |
01:40 |
x86 |
None |
Not applicable |
|
System.printing.dll |
4.8.4110.0 |
399,640 |
04-Dec-2019 |
02:55 |
x86 |
None |
Not applicable |
|
System.web.dll |
4.8.4330.0 |
5,410,184 |
05-Jan-2021 |
01:30 |
x86 |
None |
Not applicable |
Information about protection and security
-
Protect yourself online: Windows Security support
-
Learn how we guard against cyber threats: Microsoft Security
