Very bad situation you can not open a exe file from samba share
add following string to your smb.conf
acl allow execute always = True
https://wiki.samba.org/index.php/Setting_up_a_Share_Using_POSIX_ACLs#Making_Files_Executable
https://unix.stackexchange.com/questions/188721/execute-a-exe-on-a-samba-share