bool SetEnvironmentString16(const std::wstring& variable_name,
                            const std::wstring& new_value) {
  return !!SetEnvironmentVariable(variable_name.c_str(), new_value.c_str());
}

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.