diff --git a/NuGet.config b/NuGet.config
index d15fe3f912a1..4ed19a330d84 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -12,6 +12,8 @@
     <!--  Begin: Package sources from dotnet-dotnet -->
     <!--  End: Package sources from dotnet-dotnet -->
     <!--  Begin: Package sources from dotnet-macios -->
+    <add key="darc-pub-dotnet-macios-e8fdb2b" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-macios-e8fdb2b8/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-macios-e8fdb2b-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-macios-e8fdb2b8-1/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-macios-86e12faa" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-macios-86e12faa/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-macios -->
     <!--  Begin: Package sources from xamarin-xamarin-macios -->
diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 2e78ca3889d7..53b52392b4a9 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -6,16 +6,16 @@ This file should be imported by eng/Versions.props
 <Project>
   <PropertyGroup>
     <!-- dotnet-dotnet dependencies -->
-    <MicrosoftDotNetArcadeSdkPackageVersion>10.0.0-beta.26177.108</MicrosoftDotNetArcadeSdkPackageVersion>
-    <MicrosoftDotNetBuildTasksFeedPackageVersion>10.0.0-beta.26177.108</MicrosoftDotNetBuildTasksFeedPackageVersion>
+    <MicrosoftDotNetArcadeSdkPackageVersion>10.0.0-beta.26201.115</MicrosoftDotNetArcadeSdkPackageVersion>
+    <MicrosoftDotNetBuildTasksFeedPackageVersion>10.0.0-beta.26201.115</MicrosoftDotNetBuildTasksFeedPackageVersion>
     <MicrosoftDotNetCecilPackageVersion>0.11.5-alpha.26070.104</MicrosoftDotNetCecilPackageVersion>
-    <MicrosoftDotNetSharedFrameworkSdkPackageVersion>10.0.0-beta.26177.108</MicrosoftDotNetSharedFrameworkSdkPackageVersion>
+    <MicrosoftDotNetSharedFrameworkSdkPackageVersion>10.0.0-beta.26201.115</MicrosoftDotNetSharedFrameworkSdkPackageVersion>
     <MicrosoftNETILLinkPackageVersion>10.0.3-servicing.26070.104</MicrosoftNETILLinkPackageVersion>
     <MicrosoftNETILLinkTasksPackageVersion>10.0.3</MicrosoftNETILLinkTasksPackageVersion>
     <MicrosoftNETRuntimeMonoTargetsSdkPackageVersion>10.0.3</MicrosoftNETRuntimeMonoTargetsSdkPackageVersion>
-    <MicrosoftNETSdkPackageVersion>10.0.300-preview.0.26177.108</MicrosoftNETSdkPackageVersion>
+    <MicrosoftNETSdkPackageVersion>10.0.300-preview.0.26201.115</MicrosoftNETSdkPackageVersion>
     <MicrosoftNETCoreAppRefPackageVersion>10.0.3</MicrosoftNETCoreAppRefPackageVersion>
-    <MicrosoftTemplateEngineAuthoringTasksPackageVersion>10.0.300-preview.26177.108</MicrosoftTemplateEngineAuthoringTasksPackageVersion>
+    <MicrosoftTemplateEngineAuthoringTasksPackageVersion>10.0.300-preview.26201.115</MicrosoftTemplateEngineAuthoringTasksPackageVersion>
     <!-- dotnet-macios dependencies -->
     <MicrosoftiOSSdknet100_260PackageVersion>26.0.11017</MicrosoftiOSSdknet100_260PackageVersion>
     <MicrosoftiOSSdknet90_185PackageVersion>18.5.9227</MicrosoftiOSSdknet90_185PackageVersion>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 451cb896d2c0..a13a87c19d4a 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,8 +1,8 @@
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.NET.Sdk" Version="10.0.300-preview.0.26177.108">
+    <Dependency Name="Microsoft.NET.Sdk" Version="10.0.300-preview.0.26201.115">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>cf1948f9c20bc33556719613def8cbbf05e9865f</Sha>
+      <Sha>008a44e70ea6aac33d4bcbfcf6f6764f7c9bc203</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.ILLink" Version="10.0.3-servicing.26070.104">
       <Uri>https://github.com/dotnet/dotnet</Uri>
@@ -95,25 +95,25 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="10.0.0-beta.26177.108">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="10.0.0-beta.26201.115">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>cf1948f9c20bc33556719613def8cbbf05e9865f</Sha>
+      <Sha>008a44e70ea6aac33d4bcbfcf6f6764f7c9bc203</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SharedFramework.Sdk" Version="10.0.0-beta.26177.108">
+    <Dependency Name="Microsoft.DotNet.SharedFramework.Sdk" Version="10.0.0-beta.26201.115">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>cf1948f9c20bc33556719613def8cbbf05e9865f</Sha>
+      <Sha>008a44e70ea6aac33d4bcbfcf6f6764f7c9bc203</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.TemplateEngine.Authoring.Tasks" Version="10.0.300-preview.26177.108">
+    <Dependency Name="Microsoft.TemplateEngine.Authoring.Tasks" Version="10.0.300-preview.26201.115">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>cf1948f9c20bc33556719613def8cbbf05e9865f</Sha>
+      <Sha>008a44e70ea6aac33d4bcbfcf6f6764f7c9bc203</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XHarness.iOS.Shared" Version="11.0.0-prerelease.26181.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
       <Sha>3d43498414571f4f63c4dd14241c46404e8c60f9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="10.0.0-beta.26177.108">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="10.0.0-beta.26201.115">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>cf1948f9c20bc33556719613def8cbbf05e9865f</Sha>
+      <Sha>008a44e70ea6aac33d4bcbfcf6f6764f7c9bc203</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
   </ToolsetDependencies>
diff --git a/eng/common/core-templates/job/onelocbuild.yml b/eng/common/core-templates/job/onelocbuild.yml
index c5788829a872..eefed3b667a4 100644
--- a/eng/common/core-templates/job/onelocbuild.yml
+++ b/eng/common/core-templates/job/onelocbuild.yml
@@ -52,13 +52,13 @@ jobs:
       # We don't use the collection uri here because it might vary (.visualstudio.com vs. dev.azure.com)
       ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
         name: AzurePipelines-EO
-        image: 1ESPT-Windows2022
+        image: 1ESPT-Windows2025
         demands: Cmd
         os: windows
       # If it's not devdiv, it's dnceng
       ${{ if ne(variables['System.TeamProject'], 'DevDiv') }}:
         name: $(DncEngInternalBuildPool)
-        image: 1es-windows-2022
+        image: windows.vs2026.amd64
         os: windows
 
   steps:
diff --git a/eng/common/core-templates/job/publish-build-assets.yml b/eng/common/core-templates/job/publish-build-assets.yml
index b955fac6e13f..9afcb8ae1590 100644
--- a/eng/common/core-templates/job/publish-build-assets.yml
+++ b/eng/common/core-templates/job/publish-build-assets.yml
@@ -74,13 +74,13 @@ jobs:
     # We don't use the collection uri here because it might vary (.visualstudio.com vs. dev.azure.com)
     ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
       name: AzurePipelines-EO
-      image: 1ESPT-Windows2022
+      image: 1ESPT-Windows2025
       demands: Cmd
       os: windows
     # If it's not devdiv, it's dnceng
     ${{ if ne(variables['System.TeamProject'], 'DevDiv') }}:
       name: NetCore1ESPool-Publishing-Internal
-      image: windows.vs2022.amd64
+      image: windows.vs2026.amd64
       os: windows
   steps:
   - ${{ if eq(parameters.is1ESPipeline, '') }}:
diff --git a/eng/common/core-templates/post-build/post-build.yml b/eng/common/core-templates/post-build/post-build.yml
index b942a79ef02d..2df4acb76859 100644
--- a/eng/common/core-templates/post-build/post-build.yml
+++ b/eng/common/core-templates/post-build/post-build.yml
@@ -120,7 +120,7 @@ stages:
         # We don't use the collection uri here because it might vary (.visualstudio.com vs. dev.azure.com)
         ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
           name: AzurePipelines-EO
-          image: 1ESPT-Windows2022
+          image: 1ESPT-Windows2025
           demands: Cmd
           os: windows
         # If it's not devdiv, it's dnceng
@@ -164,14 +164,14 @@ stages:
         # We don't use the collection uri here because it might vary (.visualstudio.com vs. dev.azure.com)
         ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
           name: AzurePipelines-EO
-          image: 1ESPT-Windows2022
+          image: 1ESPT-Windows2025
           demands: Cmd
           os: windows
         # If it's not devdiv, it's dnceng
         ${{ else }}:
           ${{ if eq(parameters.is1ESPipeline, true) }}:        
             name: $(DncEngInternalBuildPool)
-            image: 1es-windows-2022
+            image: windows.vs2026.amd64
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
@@ -225,14 +225,14 @@ stages:
         # We don't use the collection uri here because it might vary (.visualstudio.com vs. dev.azure.com)
         ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
           name: AzurePipelines-EO
-          image: 1ESPT-Windows2022
+          image: 1ESPT-Windows2025
           demands: Cmd
           os: windows
         # If it's not devdiv, it's dnceng
         ${{ else }}:
           ${{ if eq(parameters.is1ESPipeline, true) }}:          
             name: $(DncEngInternalBuildPool)
-            image: 1es-windows-2022
+            image: windows.vs2026.amd64
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
@@ -286,18 +286,18 @@ stages:
         # We don't use the collection uri here because it might vary (.visualstudio.com vs. dev.azure.com)
         ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
           name: AzurePipelines-EO
-          image: 1ESPT-Windows2022
+          image: 1ESPT-Windows2025
           demands: Cmd
           os: windows
         # If it's not devdiv, it's dnceng
         ${{ else }}:
           ${{ if eq(parameters.is1ESPipeline, true) }}:          
             name: NetCore1ESPool-Publishing-Internal
-            image: windows.vs2022.amd64
+            image: windows.vs2026.amd64
             os: windows
           ${{ else }}:
             name: NetCore1ESPool-Publishing-Internal
-            demands: ImageOverride -equals windows.vs2022.amd64          
+            demands: ImageOverride -equals windows.vs2026.amd64
       steps:
         - template: /eng/common/core-templates/post-build/setup-maestro-vars.yml
           parameters:
diff --git a/eng/common/templates-official/variables/pool-providers.yml b/eng/common/templates-official/variables/pool-providers.yml
index 1f308b24efc4..2cc3ae305d5a 100644
--- a/eng/common/templates-official/variables/pool-providers.yml
+++ b/eng/common/templates-official/variables/pool-providers.yml
@@ -23,7 +23,7 @@
 #
 #        pool:
 #           name: $(DncEngInternalBuildPool)
-#           image: 1es-windows-2022
+#           image: windows.vs2026.amd64
 
 variables:
   # Coalesce the target and source branches so we know when a PR targets a release branch
diff --git a/eng/common/templates/variables/pool-providers.yml b/eng/common/templates/variables/pool-providers.yml
index 18693ea120d5..587770f0add4 100644
--- a/eng/common/templates/variables/pool-providers.yml
+++ b/eng/common/templates/variables/pool-providers.yml
@@ -23,7 +23,7 @@
 #
 #        pool:
 #           name: $(DncEngInternalBuildPool)
-#           demands: ImageOverride -equals windows.vs2022.amd64
+#           demands: ImageOverride -equals windows.vs2026.amd64
 variables:
   - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
     - template: /eng/common/templates-official/variables/pool-providers.yml
diff --git a/global.json b/global.json
index 7bc563e114dd..27b939e485ff 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.300-preview.0.26177.108",
+    "version": "10.0.300-preview.0.26201.115",
     "paths": [
       "builds/downloads/dotnet",
       "$host$"
@@ -8,9 +8,9 @@
     "errorMessage": "The .NET SDK could not be found, please run 'make dotnet -C builds'."
   },
   "tools": {
-    "dotnet": "10.0.300-preview.0.26177.108"
+    "dotnet": "10.0.300-preview.0.26201.115"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "10.0.0-beta.26177.108"
+    "Microsoft.DotNet.Arcade.Sdk": "10.0.0-beta.26201.115"
   }
 }