CVE-2026-20638: 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…

PriorityP422medium5.5CVSS 3.1

AVLACLPRNUIRSUCHINAN

EPSS

0.14%

4.1th percentile

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

4 ranges

Vendor	Product	Version range	Fixed in
apple	ios_26.3_and_ipados	—	—
apple	ios_and_ipados	< 26.3	26.3
apple	ipados	< 26.3	26.3
apple	iphone_os	< 26.3	26.3

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