Although the 84-year old is already serving a life sentence the new evidence could raise the punishment.
In his trial for the deaths of some 900 protesters during the uprising, Mubarak denied knowing the size of the protests or that violence was used against them at all.
Mubarak was convicted in June of failing to prevent the deaths.
The finding came in a 700-page report on protester deaths over the past two years.
It was submitted on Wednesday to President Mohammed Morsi, according to commission member Ahmed Ragheb.
Ragheb said the commission also established that security and military forces used live ammunition against protesters during and after the uprising, despite their repeated denials.
Middle East News Agency member, Ahmed al-Sharqawy, told Al Arabiya the report mainly covers events during the period between Jan. 25, 2011 to June. 30, 2012.
The report reveals new evidence against those accused of killing revolutionary martyrs, al-Sharqawy added.