Navarro, who was Bush's director of immigration policy in the governor's office, said on CNN's "New Day" that she'd emailed Bush on Tuesday morning for clarification about his comments.
"I emailed him this morning and I said to him, 'Hey, I'm a little confused by this answer so I'm genuinely wondering did you mishear the question?'" Navarro said. "And he said, 'Yes, I misheard the question.'"
Bush gave the answer in a sit-down interview with Fox News host Megyn Kelly that aired Monday night. The question came after reports surfaced last week that he sought advice on the Middle East from his brother, President George W. Bush.
"Knowing what we know now, would you have authorized the invasion?" Kelly asked.
"I would have," Bush answered.
On Tuesday morning, Navarro she wasn't sure whether he would clarify the answer.
Fellow guest and Democratic strategist Paul Begala chimed in after Navarro's answer.
"I didn't know he had a hearing impairment and we pray for his swift recovery," Begala said.
Watch the clip: