CVE-2026-20638
Analyzed Analyzed - Analysis Complete
Information Disclosure via Logic Flaw in iOS and iPadOS Caller ID

Publication date: 2026-02-11

Last updated on: 2026-02-13

Assigner: Apple Inc.

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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-02-11
Last Modified
2026-02-13
Generated
2026-06-16
AI Q&A
2026-02-12
EPSS Evaluated
2026-06-14
NVD
CVE-2026-20638
EUVD
EUVD-2026-6703
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
apple ipados to 26.3 (exc)
apple iphone_os to 26.3 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a logic issue in iOS and iPadOS where a user who has Live Caller ID app extensions turned off could still have identifying information leaked to those extensions.

The issue was addressed by improving checks in the system to prevent this unintended information leakage.

Impact Analysis

If you have Live Caller ID app extensions turned off, this vulnerability could still cause your identifying information to be leaked to those extensions.

This could lead to privacy concerns as sensitive personal information might be exposed without your consent.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update your devices to iOS 26.3 or iPadOS 26.3 where the issue has been fixed.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-20638. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart