/usr/share/man/man8/mkfs.exfat.8.gz is in exfat-utils 1.2.5-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/mkexfatfs.8.gz
/usr/share/man/man8/mkexfatfs.8.gz