For some limited things, specific to humans, yes. Babies have been tested and show reactions to some kinds of unfairness inflicted on others, not even on themselves, so it shows that even without being subject to the morality of a specific culture for a long enough time to embrace it themselves humans still have some innate sense of morality.
That doesn’t make it objective, just universal among humans. It is possible that an alien race would not share these morals. But that same alien race would agree on the speed of light.
For some limited things, specific to humans, yes. Babies have been tested and show reactions to some kinds of unfairness inflicted on others, not even on themselves, so it shows that even without being subject to the morality of a specific culture for a long enough time to embrace it themselves humans still have some innate sense of morality.
That doesn’t make it objective, just universal among humans. It is possible that an alien race would not share these morals. But that same alien race would agree on the speed of light.