CVE-2026-84526

Received Received - Intake

Out-of-Bounds Write in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An out-of-bounds write issue was addressed with improved bounds checking. 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. Processing a maliciously crafted 3D scene may lead to unexpected process termination.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-84526

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.7
apple	ipados	26.7
apple	ios	27
apple	ipados	27
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7
apple	tvos	27
apple	visionos	27
apple	watchos	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is an out-of-bounds write vulnerability caused by insufficient bounds checking. Processing a maliciously crafted 3D scene could trigger unexpected process termination.

Detection Guidance

This vulnerability is specific to Apple operating systems and relates to processing maliciously crafted 3D scenes. Detection would require checking the version of your Apple device's operating system. Commands like 'sw_vers' on macOS or checking Settings > General > About on iOS/iPadOS/tvOS/watchOS/visionOS can verify if your system is vulnerable.

Impact Analysis

An attacker could exploit this to crash applications or potentially execute arbitrary code on affected devices running iOS, iPadOS, macOS, tvOS, visionOS, or watchOS.

Mitigation Strategies

Update affected Apple 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, tvOS 27, visionOS 27, or watchOS 27. Avoid processing untrusted 3D scene files until updates are applied.

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