Out-of-Bounds Access in iOS and iPadOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

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-2026-65398

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	27
apple	ipad_os	27
apple	macos_golden_gate	27
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 an out-of-bounds access vulnerability where an app could read or write memory outside the intended buffer. This might lead to system crashes or kernel memory corruption.

Impact Analysis

An attacker could exploit this to cause unexpected system termination or corrupt kernel memory, potentially leading to data loss or unauthorized access on affected devices.

Mitigation Strategies

Update affected Apple devices to iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, or watchOS 27 to address the out-of-bounds access issue.

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