CVE-2026-43660
Memory Corruption in iOS and iPadOS
Publication date: 2026-05-11
Last updated on: 2026-05-11
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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 ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
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.
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.