CVE-2026-43811

Analyzed Analyzed - Analysis Complete

Race Condition in iOS and iPadOS File System

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

A race condition was addressed with improved checks. This issue is fixed in iOS 26.6 and iPadOS 26.6. An app may be able to modify protected parts of the file system.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-27

Last Modified

2026-07-28

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-43811

EUVD

EUVD-2026-49484

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.6 (exc)
apple	iphone_os	to 26.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

A race condition vulnerability in iOS and iPadOS versions before 26.6 could allow an app to modify protected parts of the file system. This occurs due to insufficient checks during concurrent operations.

Detection Guidance

This vulnerability is specific to iOS and iPadOS systems and requires checking the installed version of the operating system. No direct detection commands for network or system compromise are provided in the context.

Impact Analysis

An attacker could exploit this to alter system files or sensitive data, potentially leading to unauthorized access, data corruption, or system instability. Users should update to iOS 26.6 or later to mitigate this risk.

Compliance Impact

This vulnerability could lead to unauthorized file modifications, potentially violating data integrity and confidentiality requirements under GDPR and HIPAA. Organizations must ensure systems are patched to maintain compliance.

Mitigation Strategies

Update iOS to version 26.6 or later and iPadOS to version 26.6 or later to address the race condition vulnerability.

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