CVE-2026-43813
Received Received - Intake

Code Signing Bypass in Apple iOS and macOS

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description
A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A maliciously crafted app may be able to bypass code signing enforcement.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
CVE-2026-43813
EUVD
EUVD-2026-49457

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
apple ios 26.6
apple ipad_os 26.6
apple macos_tahoe 26.6
apple tv_os 26.6
apple vision_os 26.6
apple watch_os 26.6

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a validation issue caused by insufficient input sanitization. It allows a maliciously crafted app to bypass code signing enforcement, potentially enabling unauthorized code execution on affected devices.

Impact Analysis

If exploited, this vulnerability could allow attackers to run unauthorized or malicious software on your device. This may lead to data theft, unauthorized access to sensitive information, or further compromise of your system.

Mitigation Strategies

Update affected Apple devices to the latest versions (iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6) to address the validation issue.

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