CVE-2016-4740: Apple iPhone OS

Low severity, CVSS 2.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin has occurred before displaying messages, which might allow attackers to obtain sensitive information via unspecified vectors.

Affected products

• Apple iPhone OS: up to and including 9.3.5

Published 2016-09-18. Last modified 2026-06-17.