Foxes are not dangerous to humans, except when they are rabid (which is very rare) or when they are captured and handled. Even then, a fox's natural tendency is to flee rather than fight.

Will a fox attack me?

Foxes are not thought to be a danger to humans, despite people often being afraid of them. They will feed on livestock such as poultry, rabbits or other newborn animals if given the chance but an attack on a human is rare. While there have been reported attacks on humans it is not a common occurrence.

Do foxes eat humans?

PLOS. "Foxes have been eating humans' leftovers for 42,000 years: Ancient fox diets might be good indicators of human impact on past ecosystems." ScienceDaily. ScienceDaily, 22 July 2020.