CVE-2026-20686
Received Received - Intake

Improved Input Validation Fixes Sensitive Data Exposure in iOS

Publication date: 2026-03-25

Last updated on: 2026-03-25

Assigner: Apple Inc.

Description
This issue was addressed with improved input validation. This issue is fixed in iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.

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Meta Information

Published
2026-03-25
Last Modified
2026-03-25
Generated
2026-07-06
AI Q&A
2026-03-25
EPSS Evaluated
2026-07-05
NVD
CVE-2026-20686
EUVD
EUVD-2026-15057

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
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

This vulnerability involves insufficient input validation in certain Apple operating systems. Because of this flaw, an application may be able to access sensitive user data without proper authorization.

Impact Analysis

The impact of this vulnerability is that an app could potentially access sensitive user data, which could lead to privacy breaches or unauthorized data exposure.

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 or later, as the issue has been fixed in these versions through improved input validation.

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