Use After Free in iOS and iPadOS

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 27 and iPadOS 27. An app may be able to cause unexpected system termination.

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-2026-84593

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	27
apple	ipad_os	27

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. It occurs when a program continues to use memory after it has been freed, potentially leading to crashes or unexpected behavior. The issue was addressed in iOS 27 and iPadOS 27.

Impact Analysis

An attacker could exploit this to cause an app to crash or terminate unexpectedly. This might lead to data loss or disrupt normal app functionality, especially if the affected app is critical.

Mitigation Strategies

Update iOS and iPadOS to version 27 or later to address the use after free vulnerability. Ensure all devices are running the latest software versions to prevent unexpected system termination.

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