CVE-2026-65403
Undergoing Analysis Undergoing Analysis - In Progress

Improper Access Control in Apple iOS and macOS

Vulnerability report for CVE-2026-65403, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-14

Last updated on: 2026-09-18

Assigner: Apple Inc.

Description

This issue was addressed with improved checks. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, watchOS 27. An app may be able to access sensitive user data.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-14
Last Modified
2026-09-18
Generated
2026-10-05
AI Q&A
2026-09-15
EPSS Evaluated
2026-10-04
NVD

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
apple ipados to 26.7 (exc)
apple iphone_os to 26.7 (exc)
apple macos From 15.0 (inc) to 15.8 (exc)
apple macos From 26.0 (inc) to 26.7 (exc)
apple visionos to 27.0 (exc)
apple watchos to 27.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This vulnerability allows an app to access sensitive user data due to insufficient checks. It was addressed in multiple Apple operating systems with improved security measures.

Detection Guidance

This vulnerability is specific to Apple operating systems and relates to unauthorized access to sensitive user data. Detection would require checking for unusual app behavior or data access patterns on affected devices running iOS 26.7/iPadOS 26.7, macOS versions, visionOS 27, or watchOS 27. No specific commands are provided in the CVE details.

Impact Analysis

An attacker could exploit this to gain access to your personal information through a malicious app. Updating your device to the latest versions fixes this issue.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The issue involves an app potentially accessing sensitive user data, which could pose risks to data privacy regulations, but no direct compliance implications are detailed.

Mitigation Strategies

Update affected devices to the latest versions: iOS 26.7 or 27, iPadOS 26.7 or 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, or watchOS 27 to address the issue.

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