diff --git a/CHANGELOG/v7.4/dependencychanges.json b/CHANGELOG/v7.4/dependencychanges.json
index 4d9bb6c41d0..87e26784baa 100644
--- a/CHANGELOG/v7.4/dependencychanges.json
+++ b/CHANGELOG/v7.4/dependencychanges.json
@@ -11,5 +11,18 @@
     "AdvisoryUrls": [],
     "Justification": "Updated .NET SDK. Building with the latest SDK is required.",
     "TimestampUtc": "2026-04-16T01:38:11.2504521Z"
+  },
+  {
+    "ChangeType": "NonSecurity",
+    "Branch": "release/v7.4.16",
+    "PackageId": ".NET SDK",
+    "FromVersion": "8.0.420",
+    "ToVersion": "8.0.421",
+    "VulnerabilityId": [],
+    "Severity": [],
+    "VulnerableRanges": [],
+    "AdvisoryUrls": [],
+    "Justification": "Updated .NET SDK. Building with the latest SDK is required.",
+    "TimestampUtc": "2026-05-18T22:44:49.1925230Z"
   }
 ]
diff --git a/DotnetRuntimeMetadata.json b/DotnetRuntimeMetadata.json
index f245d471d6c..1d3f25d6b3a 100644
--- a/DotnetRuntimeMetadata.json
+++ b/DotnetRuntimeMetadata.json
@@ -4,7 +4,7 @@
     "quality": "daily",
     "qualityFallback": "preview",
     "packageVersionPattern": "8.0.0",
-    "sdkImageVersion": "8.0.420",
+    "sdkImageVersion": "8.0.421",
     "nextChannel": "8.0.1xx",
     "azureFeed": "",
     "sdkImageOverride": ""
diff --git a/global.json b/global.json
index 209f8518853..12e63e7d30c 100644
--- a/global.json
+++ b/global.json
@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "8.0.420"
+    "version": "8.0.421"
   }
 }
diff --git a/src/Microsoft.PowerShell.Commands.Utility/Microsoft.PowerShell.Commands.Utility.csproj b/src/Microsoft.PowerShell.Commands.Utility/Microsoft.PowerShell.Commands.Utility.csproj
index 2670fd6c3b9..1729abeffdb 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/Microsoft.PowerShell.Commands.Utility.csproj
+++ b/src/Microsoft.PowerShell.Commands.Utility/Microsoft.PowerShell.Commands.Utility.csproj
@@ -36,7 +36,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
     <PackageReference Include="System.Threading.AccessControl" Version="8.0.0" />
-    <PackageReference Include="System.Drawing.Common" Version="8.0.26" />
+    <PackageReference Include="System.Drawing.Common" Version="8.0.27" />
     <PackageReference Include="JsonSchema.Net" Version="7.0.4" />
   </ItemGroup>
 
diff --git a/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj b/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj
index 18265ae34be..89f86d14c22 100644
--- a/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj
+++ b/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj
@@ -17,12 +17,12 @@
   <ItemGroup>
     <!-- This section is to force the version of non-direct dependencies -->
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="8.0.26" />
+    <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="8.0.27" />
     <!-- the following package(s) are from https://github.com/dotnet/fxdac -->
     <PackageReference Include="System.Data.SqlClient" Version="4.9.1" />
     <PackageReference Include="System.Diagnostics.EventLog" Version="8.0.2" />
     <PackageReference Include="System.DirectoryServices.Protocols" Version="8.0.2" />
-    <PackageReference Include="System.Drawing.Common" Version="8.0.26" />
+    <PackageReference Include="System.Drawing.Common" Version="8.0.27" />
     <!-- the following package(s) are from https://github.com/dotnet/corefx -->
     <PackageReference Include="System.IO.Packaging" Version="8.0.1" />
     <PackageReference Include="System.Runtime.Caching" Version="8.0.1" />
@@ -42,7 +42,7 @@
     <PackageReference Include="System.Private.ServiceModel" Version="4.10.3" />
     <PackageReference Include="System.Web.Services.Description" Version="4.10.3" />
     <!-- the source could not be found for the following package(s) -->
-    <PackageReference Include="Microsoft.Windows.Compatibility" Version="8.0.26" />
+    <PackageReference Include="Microsoft.Windows.Compatibility" Version="8.0.27" />
   </ItemGroup>
 
   <!--
diff --git a/test/perf/dotnet-tools/BenchmarkDotNet.Extensions/BenchmarkDotNet.Extensions.csproj b/test/perf/dotnet-tools/BenchmarkDotNet.Extensions/BenchmarkDotNet.Extensions.csproj
index d689ae96058..09f9db7fb31 100644
--- a/test/perf/dotnet-tools/BenchmarkDotNet.Extensions/BenchmarkDotNet.Extensions.csproj
+++ b/test/perf/dotnet-tools/BenchmarkDotNet.Extensions/BenchmarkDotNet.Extensions.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
     <PackageReference Include="BenchmarkDotNet.Annotations" Version="0.13.12" />
     <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.13.12" />
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.15" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.16" />
     <PackageReference Include="Microsoft.Diagnostics.NETCore.Client" Version="0.2.661903" />
     <PackageReference Include="Microsoft.Diagnostics.Runtime" Version="2.2.343001" />
     <PackageReference Include="Microsoft.Diagnostics.Tracing.TraceEvent" Version="3.0.8" />
diff --git a/test/perf/dotnet-tools/ResultsComparer/ResultsComparer.csproj b/test/perf/dotnet-tools/ResultsComparer/ResultsComparer.csproj
index 451aab01b47..63ba5631bdc 100644
--- a/test/perf/dotnet-tools/ResultsComparer/ResultsComparer.csproj
+++ b/test/perf/dotnet-tools/ResultsComparer/ResultsComparer.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="BenchmarkDotNet.Annotations" Version="0.13.12" />
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="MarkdownLog.NS20" Version="0.10.1" />
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.15" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.16" />
     <PackageReference Include="Microsoft.Diagnostics.NETCore.Client" Version="0.2.661903" />
     <PackageReference Include="Microsoft.Diagnostics.Runtime" Version="2.2.343001" />
     <PackageReference Include="Microsoft.Diagnostics.Tracing.TraceEvent" Version="3.0.8" />
diff --git a/test/tools/NamedPipeConnection/src/code/Microsoft.PowerShell.NamedPipeConnection.csproj b/test/tools/NamedPipeConnection/src/code/Microsoft.PowerShell.NamedPipeConnection.csproj
index a5b163117ad..041de934830 100644
--- a/test/tools/NamedPipeConnection/src/code/Microsoft.PowerShell.NamedPipeConnection.csproj
+++ b/test/tools/NamedPipeConnection/src/code/Microsoft.PowerShell.NamedPipeConnection.csproj
@@ -16,7 +16,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Microsoft.Management.Infrastructure" Version="3.0.0" />
-    <PackageReference Include="Microsoft.PowerShell.CoreCLR.Eventing" Version="7.4.14" />
+    <PackageReference Include="Microsoft.PowerShell.CoreCLR.Eventing" Version="7.4.15" />
     <PackageReference Include="Microsoft.PowerShell.Native" Version="7.4.0" />
     <PackageReference Include="Microsoft.Win32.Registry.AccessControl" Version="8.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
diff --git a/test/tools/TestService/TestService.csproj b/test/tools/TestService/TestService.csproj
index 509eadae793..7eec8fa3fc4 100644
--- a/test/tools/TestService/TestService.csproj
+++ b/test/tools/TestService/TestService.csproj
@@ -15,7 +15,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Windows.Compatibility" Version="8.0.26" />
+    <PackageReference Include="Microsoft.Windows.Compatibility" Version="8.0.27" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="8.0.1" />
     <PackageReference Include="System.Data.Odbc" Version="8.0.1" />
     <PackageReference Include="System.Data.OleDb" Version="8.0.1" />
@@ -24,7 +24,7 @@
     <PackageReference Include="System.Diagnostics.PerformanceCounter" Version="8.0.1" />
     <PackageReference Include="System.DirectoryServices.AccountManagement" Version="8.0.1" />
     <PackageReference Include="System.DirectoryServices.Protocols" Version="8.0.2" />
-    <PackageReference Include="System.Drawing.Common" Version="8.0.26" />
+    <PackageReference Include="System.Drawing.Common" Version="8.0.27" />
     <PackageReference Include="System.IO.Packaging" Version="8.0.1" />
     <PackageReference Include="System.Runtime.Caching" Version="8.0.1" />
     <PackageReference Include="System.Security.Cryptography.Pkcs" Version="8.0.1" />
diff --git a/test/tools/WebListener/WebListener.csproj b/test/tools/WebListener/WebListener.csproj
index 7b8d578145d..1481706de3d 100644
--- a/test/tools/WebListener/WebListener.csproj
+++ b/test/tools/WebListener/WebListener.csproj
@@ -7,8 +7,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.JsonPatch" Version="8.0.26" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.26" />
+    <PackageReference Include="Microsoft.AspNetCore.JsonPatch" Version="8.0.27" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.27" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="Newtonsoft.Json.Bson" Version="1.0.3" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="8.0.0" />
diff --git a/tools/cgmanifest/main/cgmanifest.json b/tools/cgmanifest/main/cgmanifest.json
index 0e6da081f21..bd0bb474f8f 100644
--- a/tools/cgmanifest/main/cgmanifest.json
+++ b/tools/cgmanifest/main/cgmanifest.json
@@ -125,7 +125,7 @@
         "Type": "nuget",
         "Nuget": {
           "Name": "Microsoft.Extensions.ObjectPool",
-          "Version": "8.0.26"
+          "Version": "8.0.27"
         }
       },
       "DevelopmentDependency": false
@@ -185,7 +185,7 @@
         "Type": "nuget",
         "Nuget": {
           "Name": "Microsoft.Windows.Compatibility",
-          "Version": "8.0.26"
+          "Version": "8.0.27"
         }
       },
       "DevelopmentDependency": false
@@ -465,7 +465,7 @@
         "Type": "nuget",
         "Nuget": {
           "Name": "System.Drawing.Common",
-          "Version": "8.0.26"
+          "Version": "8.0.27"
         }
       },
       "DevelopmentDependency": false