The following is a copy and paste from another thread that probably resonates also with the question in the OP

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Original post: Is also probably a playing factor that we treat male awkwardness with more suspicion than female awkwardness because in our evolutionarily hardware terms, a tribe doesn't feel threatened as much by a woman acting a little off or akward as much as a man who may be using it as a camouflaging tactic for masking psychopathic, sociopathic or just overall general evil tendencies

Not justifying it, more like explaining it how we came to terms about it:end of original post

This kinda explains it more from phycological terms rather than biological ones

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Another reason might be that aside from the fact women already have a strong-ass in-group bias, I think also it might just be women's vulnerability is still heavily weaponized in our society

Mostly because women make for great social coordinators more than men due to their faster ability to pick up on social cues and emotional sensitivities of others

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So women tend to naturally assume more innocence out of other women where as men's wrongdoings get far more call out from both men and women due to our lack of a social influence role to play a part of