CVE-2026-84620

Undergoing Analysis Undergoing Analysis - In Progress

Integer Overflow in Apple iOS and macOS 3D Model Processing

Publication date: 2026-09-14

Last updated on: 2026-09-18

Assigner: Apple Inc.

Description

An integer overflow was addressed with improved input validation. 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 model may lead to memory corruption.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-14

Last Modified

2026-09-18

Generated

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-03

NVD

CVE-2026-84620

Affected Vendors & Products

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)
apple	tvos	to 27.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is an integer overflow caused by insufficient input validation. When processing a specially crafted 3D model, it may lead to memory corruption in affected Apple devices.

Detection Guidance

This vulnerability involves processing maliciously crafted 3D models leading to memory corruption due to an integer overflow. Detection requires checking if your system is running an affected version of iOS, iPadOS, macOS, tvOS, visionOS, or watchOS. Use system update commands to verify versions: on iOS/iPadOS, go to Settings > General > Software Update; on macOS, use 'softwareupdate --list' in Terminal.

Impact Analysis

If exploited, this flaw could allow attackers to execute arbitrary code or crash applications by triggering memory corruption through malicious 3D models.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with standards like GDPR or HIPAA. The vulnerability involves an integer overflow leading to memory corruption when processing maliciously crafted 3D models, which could potentially expose sensitive data if exploited. However, no explicit compliance implications are mentioned in the context.

Mitigation Strategies

Immediately update all affected Apple devices to the latest versions: iOS 26.7 or later, iPadOS 26.7 or later, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, or watchOS 27. Enable automatic updates if available to prevent future vulnerabilities.

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