Septic shock is a serious illness, and despite all the advances in medicine, it still carries high mortality, which can exceed 40%. Mortality does depend on many factors, including the type of organism, antibiotic sensitivity, number of organs affected, and patient age.
prognostic factors for Pneumonia: https://www.accjournal.org/upload/pdf/kjccm-2015-30-4-258.pdf
for further organ failure please refer to the proper literature.