CVE-2026-43722

Modified Modified - Updated After Analysis

Improved Input Sanitization Fix in Apple iOS and macOS

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 leak sensitive kernel state.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-43722

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 that could allow an app to leak sensitive kernel state information.

The issue has been addressed and fixed in iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.

Impact Analysis

An app exploiting this vulnerability may be able to access and leak sensitive kernel state information, potentially compromising system security and privacy.

Compliance Impact

This vulnerability may allow an app to leak sensitive kernel state, which could potentially lead to unauthorized access to sensitive information.

Such leakage of sensitive information could impact compliance with data protection regulations like GDPR and HIPAA, which require safeguarding sensitive data against unauthorized disclosure.

However, the specific impact on compliance depends on the context of the data involved and how the affected systems are used.

The issue has been addressed with improved input sanitization and fixed in iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.

Mitigation Strategies

To mitigate this vulnerability, update your devices to the fixed versions: iOS 26.5.2, iPadOS 26.5.2, or macOS Tahoe 26.5.2 as applicable.

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