According to IIA guidance, a newly promoted chief audit executive (CAE) should prioritize the review of audit reports based on the significance of the findings indicated by the opinion statements. A graded positive opinion (1) suggests that the audit found strong controls with no significant issues, while a third-party opinion (4) typically involves external assessments that may not require immediate internal action. Therefore, these opinions would receive the lowest review priority. In contrast, negative assurance opinions (2) and limited assurance opinions (3) indicate potential issues or limitations in the effectiveness of controls, necessitating higher priority review to address any significant concerns promptly. References: IIA Standard 2410 - Criteria for Communicating, IIA Practice Advisory 2410-1