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