CVE-2026-43797

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Improper Access to User Contacts in Apple iOS

Publication date: 2026-07-27

Last updated on: 2026-07-29

Assigner: Apple Inc.

Description

This issue was addressed with improved checks. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6. An app may be able to access information about a user's contacts.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-27

Last Modified

2026-07-29

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-43797

EUVD

EUVD-2026-49607

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)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This vulnerability allows an app to access a user's contact information without proper authorization. It was addressed by Apple with improved security checks and fixed in specific software updates for iOS, iPadOS, and macOS.

Detection Guidance

This vulnerability is specific to Apple iOS, iPadOS, and macOS Tahoe versions prior to 26.6. Detection involves checking the installed software versions on affected systems. For iOS/iPadOS, go to Settings > General > About and verify the version. For macOS Tahoe, click the Apple menu > About This Mac and check the version. If the version is below 26.6, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow unauthorized access to your personal contact data stored on the device. This may lead to privacy breaches or misuse of your contacts by malicious apps.

Compliance Impact

This vulnerability could lead to non-compliance with privacy regulations like GDPR or HIPAA, as it may result in unauthorized access to personal data. Organizations must ensure proper safeguards are in place to protect user information.

Mitigation Strategies

Update to iOS 26.6 or iPadOS 26.6 for iPhones and iPads, and macOS Tahoe 26.6 for Macs to address the vulnerability.

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