CHICAGO--(BUSINESS WIRE)--Fitch Ratings has issued a presale report on Deutsche Bank Securities, Inc.'s COMM Mortgage Trust 2015-CCRE26 commercial mortgage pass-through certificates. Fitch expects to rate the transaction and assign Rating Outlooks as follows: --$36,162,000 class A-1 'AAAsf'; Outlook Stable; --$44,578,000 class A-2 'AAAsf'; Outlook Stable; --$76,831,000 class A-SB 'AAAsf'; Outlook Stable; --$225,000,000 class A-3 'AAAsf'; Outlook Stable; --$381,056,000 class A-4 'AAAsf'; Outlook