CVE-2026-43660
Received Received - Intake
Memory Corruption in iOS and iPadOS

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
A validation issue was addressed with improved logic. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
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Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-06-21
AI Q&A
2026-05-12
EPSS Evaluated
2026-06-20
NVD
CVE-2026-43660
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
apple ios 18.7.9
apple ipados 18.7.9
apple ios 26.5
apple ipados 26.5
apple macos_tahoe 26.5
apple tvos 26.5
apple visionos 26.5
apple watchos 26.5
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Mitigation Strategies

The vulnerability is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5.

To mitigate this vulnerability, you should update your Apple devices to these fixed versions as soon as possible.

Executive Summary

This vulnerability is a validation issue in certain Apple operating systems where processing maliciously crafted web content may prevent the enforcement of the Content Security Policy (CSP). The issue was addressed by improving the validation logic and fixed in versions iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5.

Impact Analysis

If exploited, this vulnerability could allow malicious web content to bypass the Content Security Policy enforcement on affected Apple devices. This could lead to increased risk of cross-site scripting (XSS) attacks or other web-based attacks that rely on circumventing CSP protections, potentially compromising user data or device security.

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