CVE-2026-28856
Received Received - Intake
Authentication Bypass in iOS and iPadOS Allows Data Exposure

Publication date: 2026-03-25

Last updated on: 2026-03-26

Assigner: Apple Inc.

Description
The issue was addressed with improved authentication. This issue is fixed in iOS 26.4 and iPadOS 26.4, visionOS 26.4, watchOS 26.4. An attacker with physical access to a locked device may be able to view sensitive user information.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-26
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-28856
EUVD
EUVD-2026-15127
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
apple ipados to 26.4 (exc)
apple iphone_os to 26.4 (exc)
apple visionos to 26.4 (exc)
apple watchos to 26.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
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Executive Summary

This vulnerability involves a security flaw in certain Apple operating systems where an attacker with physical access to a locked device may be able to view sensitive user information. The issue was addressed by improving authentication mechanisms and fixed in iOS 26.4, iPadOS 26.4, visionOS 26.4, and watchOS 26.4.

Impact Analysis

If exploited, this vulnerability could allow an attacker who has physical access to your locked Apple device to view sensitive user information without authorization. This could lead to privacy breaches and potential misuse of personal data stored on the device.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to iOS 26.4, iPadOS 26.4, visionOS 26.4, or watchOS 26.4 as applicable.

Since the vulnerability requires physical access to a locked device, ensure that devices are kept secure and not left unattended.

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