Hauser came to the winter sports club in her hometown at the age of six. After good performance in school races, she was soon accepted into the Tyrolean national team and was already a member of the ÖSV national team in 1970 . She had her first start in the World Cup in the 1971/72 season. The Tyrolean celebrated her greatest successes in the winter of 1972/73. She won two European Cup slaloms in Vysoké Tatry and was Junior Vice European Champion in giant slalom in Ruhpolding . At the end of the season she came in for the first and only time in the World Cup points, so among the top ten: On March 22, 1973 she finished ninth in the Slalom of Heavenly Valley .
In the next winter Hauser did not achieve any World Cup points, but was still able to take part in the 1974 World Championship in slalom, after she was actually only intended as a substitute runner. In St. Moritz , however, she was eliminated in the first slalom run. After this disappointing season for her, she announced her retirement from ski racing in the summer of 1974.
Hauser married and had two children. Her daughter Daniela Huber, born in 1978, was also a ski racer. In 1995 she became Austrian Junior Champion in giant slalom in her age group and won her only FIS race in the same year . Her best result in the European Cup was 15th place in the Super-G of Haus im Ennstal in 1996.