CVE-2026-20638

MEDIUM

iPadOS < 26.3 - Unauthorized Information Disclosure via Live Caller ID Extension

Title source: llm

Description

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.

References (1)

Core 1

Core References

Release Notes, Vendor Advisory

https://support.apple.com/en-us/126346

Scores

CVSS v3 5.5

EPSS 0.0002

EPSS Percentile 4.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (3)

Apple/iOS and iPadOS < 26.3

apple/ipados < 26.3

apple/iphone_os < 26.3

Published Feb 11, 2026

Tracked Since Feb 18, 2026