Update KBs for April 2026 .NET releases

lbussell · lbussell · commit de3a77f54a8e · 2026-04-14T09:03:06.000-07:00
diff --git a/manifest.versions.json b/manifest.versions.json
@@ -1,13 +1,13 @@
 {
   "variables": {
     "4.8-is-security-release": true,
-    "kb|ltsc2016|4.8": "KB5066136",
+    "kb|ltsc2016|4.8": "KB5082411",
     "lcu|ltsc2016|4.8": "https://catalog.s.download.windowsupdate.com/c/msdownload/update/software/secu/2025/09/windows10.0-kb5066136-x64-ndp48_33a9703bab6ff8534a1cc8a590d85b179a24718d.msu",
-    "kb|ltsc2019|4.8": "KB5066137",
+    "kb|ltsc2019|4.8": "KB5082414",
     "lcu|ltsc2019|4.8": "https://catalog.s.download.windowsupdate.com/d/msdownload/update/software/secu/2025/09/windows10.0-kb5066137-x64-ndp48_76f67956da4f912c51e0aba2b09e3175709974a4.msu",
-    "kb|ltsc2022|4.8.1": "KB5066134",
+    "kb|ltsc2022|4.8.1": "KB5082425",
     "lcu|ltsc2022|4.8.1": "https://catalog.s.download.windowsupdate.com/c/msdownload/update/software/secu/2025/09/windows10.0-kb5066134-x64-ndp481_103b0d4cef1c6b42632f1cb043725ded0fce0ed3.msu",
-    "kb|ltsc2025|4.8.1": "KB5066131",
+    "kb|ltsc2025|4.8.1": "KB5082420",
     "lcu|ltsc2025|4.8.1": "https://catalog.sf.dl.delivery.mp.microsoft.com/filestreamingservice/files/035cd7e9-5769-4168-80e4-d73bc6b746c8/public/windows11.0-kb5066131-x64-ndp481_b2ab1290d276d5cb9c9d03dce5ad2d6e2b66f615.msu",
     "nuget|version": "7.3.0",
     "referenceassemblies|version": "1.0.3",
diff --git a/src/runtime/4.8.1/windowsservercore-ltsc2022/Dockerfile b/src/runtime/4.8.1/windowsservercore-ltsc2022/Dockerfile
@@ -20,7 +20,7 @@ RUN `
     && mkdir patch `
     && expand patch.msu patch -F:* `
     && del /F /Q patch.msu `
-    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5066134-x64-ndp481.cab `
+    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5082425-x64-ndp481.cab `
     && rmdir /S /Q patch `
     `
     # Ngen top of assembly graph to optimize a set of frequently used assemblies
diff --git a/src/runtime/4.8.1/windowsservercore-ltsc2025/Dockerfile b/src/runtime/4.8.1/windowsservercore-ltsc2025/Dockerfile
@@ -14,7 +14,7 @@ RUN `
     && mkdir patch `
     && expand patch.msu patch -F:* `
     && del /F /Q patch.msu `
-    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows11.0-KB5066131-x64-ndp481.cab `
+    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows11.0-KB5082420-x64-ndp481.cab `
     && rmdir /S /Q patch `
     `
     # Ngen top of assembly graph to optimize a set of frequently used assemblies
diff --git a/src/runtime/4.8/windowsservercore-ltsc2016/Dockerfile b/src/runtime/4.8/windowsservercore-ltsc2016/Dockerfile
@@ -28,7 +28,7 @@ RUN `
     && mkdir patch `
     && expand patch.msu patch -F:* `
     && del patch.msu `
-    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5066136-x64-ndp48.cab `
+    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5082411-x64-ndp48.cab `
     && rmdir /S /Q patch `
     `
     # ngen .NET Fx
diff --git a/src/runtime/4.8/windowsservercore-ltsc2019/Dockerfile b/src/runtime/4.8/windowsservercore-ltsc2019/Dockerfile
@@ -19,7 +19,7 @@ RUN `
     && mkdir patch `
     && expand patch.msu patch -F:* `
     && del /F /Q patch.msu `
-    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5066137-x64-ndp48.cab `
+    && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5082414-x64-ndp48.cab `
     && rmdir /S /Q patch `
     `
     # ngen .NET Fx

Original file line number	Diff line number	Diff line change
@@ -20,7 +20,7 @@ RUN `
`20`	`20`	&& mkdir patch `
`21`	`21`	&& expand patch.msu patch -F:* `
`22`	`22`	&& del /F /Q patch.msu `
`23`		- && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5066134-x64-ndp481.cab `
	`23`	+ && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5082425-x64-ndp481.cab `
`24`	`24`	&& rmdir /S /Q patch `
`25`	`25`	`
`26`	`26`	`# Ngen top of assembly graph to optimize a set of frequently used assemblies`
Original file line number	Diff line number	Diff line change
@@ -14,7 +14,7 @@ RUN `
`14`	`14`	&& mkdir patch `
`15`	`15`	&& expand patch.msu patch -F:* `
`16`	`16`	&& del /F /Q patch.msu `
`17`		- && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows11.0-KB5066131-x64-ndp481.cab `
	`17`	+ && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows11.0-KB5082420-x64-ndp481.cab `
`18`	`18`	&& rmdir /S /Q patch `
`19`	`19`	`
`20`	`20`	`# Ngen top of assembly graph to optimize a set of frequently used assemblies`
Original file line number	Diff line number	Diff line change
@@ -28,7 +28,7 @@ RUN `
`28`	`28`	&& mkdir patch `
`29`	`29`	&& expand patch.msu patch -F:* `
`30`	`30`	&& del patch.msu `
`31`		- && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5066136-x64-ndp48.cab `
	`31`	+ && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5082411-x64-ndp48.cab `
`32`	`32`	&& rmdir /S /Q patch `
`33`	`33`	`
`34`	`34`	`# ngen .NET Fx`
Original file line number	Diff line number	Diff line change
@@ -19,7 +19,7 @@ RUN `
`19`	`19`	&& mkdir patch `
`20`	`20`	&& expand patch.msu patch -F:* `
`21`	`21`	&& del /F /Q patch.msu `
`22`		- && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5066137-x64-ndp48.cab `
	`22`	+ && dism /Online /Quiet /Add-Package /PackagePath:C:\patch\windows10.0-KB5082414-x64-ndp48.cab `
`23`	`23`	&& rmdir /S /Q patch `
`24`	`24`	`
`25`	`25`	`# ngen .NET Fx`