Update to .NET SDK v10.0.203 breaks Native AOT compilation - Windows 11 x64

[GrandDixence]

Description

An update to .NET SDK v10.0.203 breaks Native AOT compilation on Windows 11 (Intel/AMD x64)

Reproduction Steps

• Remove all .NET SDK installations.
• Install .NET SDK v10.0.107 (dotnet-sdk-10.0.107-win-x64.exe)

# dotnet nuget locals all --clear
# dotnet.exe publish --configuration Release --runtime win-x64 -property:PublishAot=true -property:OptimizationPreference=Speed -property:ControlFlowGuard=Guard -property:instruction-set=x86-x64-v3

=> compilation works fine. No error message.

• Remove all .NET SDK installations.
• Install .NET SDK v10.0.203 (dotnet-sdk-10.0.203-win-x64.exe)

# dotnet nuget locals all --clear
# dotnet.exe publish --configuration Release --runtime win-x64 -property:PublishAot=true -property:OptimizationPreference=Speed -property:ControlFlowGuard=Guard -property:instruction-set=x86-x64-v3

=> famous error message from Microsoft.NETCore.Native.Windows: Platform linker not found. Ensure you have all required prerequisites blabla...

Expected behavior

.NET SDK v10.0.203: Native AOT compilation works fine. No error message.

Actual behavior

.NET SDK v10.0.203: Compilation fails with famous error message from Microsoft.NETCore.Native.Windows: Platform linker not found

Regression?

Native AOT compilation works fine with .NET SDK v10.0.107

Known Workarounds

Downgrade from .NET SDK v10.0.203 to .NET SDK v10.0.107

Configuration

• up-to-date Windows 11, x86-64, 24H2 (Build 26100.8246),
• Microsoft Visual Studio Installer v4.5.35.35368
• Visual Studio Build Tools 2026 v18.5.1
• Windows SDK AddOn v10.1.0.0
• Windows Software Development Kit v10.1.26100.7705

Other information

# c:\Users\foo\.nuget\packages\microsoft.dotnet.ilcompiler\10.0.7\build\findvcvarsall.bat x64
C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools\VC\Tools\MSVC\14.50.35717\bin\Hostx64\x64\#
C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools\VC\Tools\MSVC\14.50.35717\lib\x64;C:\Program Files (x86)\Windows Kits\10\lib\10.0.26100.0\ucrt\x64;C:\Program Files (x86)\Windows Kits\10\\lib\10.0.26100.0\\um\x64

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