Visual C++ End User Runtime [portable] 【2025】

| Library | Purpose | Critical Exports | | :--- | :--- | :--- | | vcruntime140.dll | Compiler support (SEH, C++ new/delete , TLS) | _CxxFrameHandler4 , __std_terminate | | vcruntime140_1.dll | Spectre-mitigated variants (if built with /Qspectre ) | memcpy guarded versions | | ucrtbase.dll | Standard C library (stdio, math, locale) | printf , malloc , strlen | | msvcp140.dll | C++ Standard Library (iostreams, containers, algorithms) | std::ios_base::Init , std::_Container_base12 | | vccorlib140.dll | C++/CX (WinRT) support | Platform::Object |