CVE-2026-64746

Analyzed Analyzed - Analysis Complete

Authorization Bypass in iOS and macOS

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

An authorization issue was addressed with improved validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. An app may be able to add contacts without user authorization.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-27

Last Modified

2026-07-28

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-64746

EUVD

EUVD-2026-49430

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 26.0 (inc) to 26.6 (exc)
apple	ipados	to 26.6 (exc)
apple	iphone_os	to 26.6 (exc)
apple	visionos	to 26.6 (exc)
apple	watchos	to 26.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This is an authorization issue where an app could add contacts without the user's permission. It was fixed in recent updates to iOS, iPadOS, macOS Tahoe, visionOS, and watchOS versions 26.6.

Detection Guidance

This vulnerability is specific to Apple devices and relates to unauthorized contact additions. Detection would require checking for unauthorized contact entries on affected devices. Review system logs for contact modification events and verify app permissions in device settings. No direct network detection commands are applicable.

Impact Analysis

An attacker could exploit this to add unauthorized contacts to your device without your knowledge or consent. This could lead to privacy breaches or unwanted access to your contacts.

Compliance Impact

The vulnerability allows an app to add contacts without user authorization, which could lead to unauthorized data collection or processing. This may violate GDPR principles requiring explicit user consent for data processing and HIPAA rules on safeguarding protected health information if contacts contain such data.

Mitigation Strategies

Update affected devices to the latest versions: iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, or watchOS 26.6 to address the authorization issue.

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