Occurs at least when only build tools are installed.
There appears to be some problem with detection, compilers for auto-detected kits seems to be wrong as can be seen in attached screenshots. When manually setting kit with 2010 compiler, it also cannot compile directly, claiming not to find cl.exe.
Qt Creator does output:
Manually setting up PATH before starting qtcreator works though.
|For Gerrit Dashboard: QTCREATORBUG-18328|
|235159,2||ProjectExplorer: fix msvc toolchain detection for Windows SDK 7.x||4.7||qt-creator/qt-creator||Status: MERGED||+2||0|