CVE-2026-65409

Received Received - Intake

Type Confusion in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A type confusion issue was addressed with improved memory handling. 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, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause a denial of service.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-65409

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.7
apple	ipad_os	26.7
apple	ios	27
apple	ipad_os	27
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7
apple	tv_os	27
apple	vision_os	27
apple	watch_os	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a type confusion vulnerability caused by improper memory handling. It allows an app to cause a denial of service by exploiting how the system processes data types.

Detection Guidance

This vulnerability is specific to Apple operating systems and requires checking installed versions. For iOS/iPadOS, go to Settings > General > About and verify the version is 26.7 or later. For macOS, click the Apple logo > About This Mac and check the version. For other Apple devices, check Settings > General > About.

Impact Analysis

An attacker could create a malicious app that triggers this flaw, causing the affected device to crash or become unresponsive. This leads to service disruption for the user.

Mitigation Strategies

Update all Apple devices to the latest versions mentioned in the CVE description. For iOS/iPadOS, go to Settings > General > Software Update. For macOS, go to System Preferences > Software Update. Restart devices after updates to ensure changes take effect.

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