CVE-2026-20638: Apple iPadOS

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3. A user with Live Caller ID app extensions turned off could have identifying information leaked to the extensions.

Affected products

• Apple iPadOS: before 26.3 (fixed in 26.3)
• Apple iPhone OS: before 26.3 (fixed in 26.3)

Published 2026-02-11. Last modified 2026-06-17.