CVE-2026-28863

Modified Modified - Updated After Analysis

Permissions Issue in iOS and Apple OS Allows User Fingerprinting

Publication date: 2026-03-25

Last updated on: 2026-05-10

Assigner: Apple Inc.

Description

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.4 and iPadOS 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to fingerprint the user.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-03-25

Last Modified

2026-05-10

Generated

2026-07-06

AI Q&A

2026-03-25

EPSS Evaluated

2026-07-05

NVD

CVE-2026-28863

EUVD

EUVD-2026-15139

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.4 (exc)
apple	iphone_os	to 26.4 (exc)
apple	tvos	to 26.4 (exc)
apple	visionos	to 26.4 (exc)
apple	watchos	to 26.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is a permissions issue that was addressed by adding additional restrictions. It allowed an app to potentially fingerprint the user, which means the app could gather unique information to identify or track the user without their consent.

Impact Analysis

The vulnerability could impact you by allowing an app to fingerprint you, potentially compromising your privacy. This means your device or user identity could be tracked or identified by apps without your explicit permission.

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, tvOS 26.4, visionOS 26.4, or watchOS 26.4 as applicable.

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