CVE-2026-43724

Modified Modified - Updated After Analysis

Memory Corruption in iOS, iPadOS, and macOS Tahoe

Publication date: 2026-06-29

Last updated on: 2026-06-30

Assigner: Apple Inc.

Description

The issue was addressed with improved input sanitization. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination or write kernel memory.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-29

Last Modified

2026-06-30

Generated

2026-07-20

AI Q&A

2026-06-29

EPSS Evaluated

2026-07-18

NVD

CVE-2026-43724

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.5.2 (exc)
apple	iphone_os	to 26.5.2 (exc)
apple	macos	From 26.0 (inc) to 26.5.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient input sanitization in certain Apple operating systems. Because of this, a malicious app may be able to cause unexpected system termination or write to kernel memory, potentially leading to system instability or compromise.

Impact Analysis

If exploited, this vulnerability could allow an app to unexpectedly terminate the system or write to kernel memory. This could result in system crashes, loss of data, or potentially allow an attacker to gain elevated privileges or execute arbitrary code at the kernel level.

Mitigation Strategies

To mitigate this vulnerability, you should update your devices to the fixed versions of the operating systems where the issue is addressed.

Update iOS devices to iOS 26.5.2 or later.
Update iPadOS devices to iPadOS 26.5.2 or later.
Update macOS Tahoe devices to macOS Tahoe 26.5.2 or later.

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