Use-After-Free in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Scores

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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-2026-43684

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.7
apple	ipad_os	26.7
apple	macos_golden_gate	27
apple	macos_sequoia	15.8

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a use-after-free vulnerability caused by improper memory management. An app could exploit this to free memory that is still in use, leading to unexpected system crashes or corruption of kernel memory.

Impact Analysis

An attacker could potentially exploit this to crash your device or corrupt system memory, which might lead to data loss or unauthorized access to sensitive information on your device.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.7, iPadOS 26.7, macOS Golden Gate 27, or macOS Sequoia 15.8 to address the use-after-free issue.

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