CVE-2026-43660: Processing maliciously crafted web content may prevent Content Security Policy from being enforced in Apple iOS and iPadOS
CVE-2026-43660 is a vulnerability in Apple iOS and iPadOS where processing maliciously crafted web content may prevent the enforcement of Content Security Policy (CSP). This issue was addressed by Apple through improved validation logic and fixed in iOS 18. 7. 9, iPadOS 18. 7. 9, and corresponding updates for other Apple operating systems. The vulnerability could allow web content to bypass CSP protections, potentially increasing the risk of web-based attacks if exploited.
AI Analysis
Technical Summary
This vulnerability involves a validation flaw in Apple iOS and iPadOS that could cause the Content Security Policy, a security feature designed to restrict resources the browser is allowed to load, to not be enforced when processing maliciously crafted web content. Apple fixed this issue by improving the validation logic in iOS 18.7.9, iPadOS 18.7.9, and related OS versions. The flaw affects multiple Apple platforms including macOS Tahoe, tvOS, visionOS, and watchOS at version 26.5. No CVSS score is available for this vulnerability.
Potential Impact
If exploited, this vulnerability may allow malicious web content to bypass Content Security Policy enforcement, potentially enabling attackers to execute unauthorized scripts or load unauthorized resources in affected Apple devices. This could lead to increased risk of cross-site scripting (XSS) or data injection attacks. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 18.7.9, iPadOS 18.7.9, and corresponding updates for macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. Users and administrators should apply these updates promptly to ensure the vulnerability is remediated. Patch status is confirmed by the vendor advisory indicating the issue is fixed in these versions.
CVE-2026-43660: Processing maliciously crafted web content may prevent Content Security Policy from being enforced in Apple iOS and iPadOS
Description
CVE-2026-43660 is a vulnerability in Apple iOS and iPadOS where processing maliciously crafted web content may prevent the enforcement of Content Security Policy (CSP). This issue was addressed by Apple through improved validation logic and fixed in iOS 18. 7. 9, iPadOS 18. 7. 9, and corresponding updates for other Apple operating systems. The vulnerability could allow web content to bypass CSP protections, potentially increasing the risk of web-based attacks if exploited.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a validation flaw in Apple iOS and iPadOS that could cause the Content Security Policy, a security feature designed to restrict resources the browser is allowed to load, to not be enforced when processing maliciously crafted web content. Apple fixed this issue by improving the validation logic in iOS 18.7.9, iPadOS 18.7.9, and related OS versions. The flaw affects multiple Apple platforms including macOS Tahoe, tvOS, visionOS, and watchOS at version 26.5. No CVSS score is available for this vulnerability.
Potential Impact
If exploited, this vulnerability may allow malicious web content to bypass Content Security Policy enforcement, potentially enabling attackers to execute unauthorized scripts or load unauthorized resources in affected Apple devices. This could lead to increased risk of cross-site scripting (XSS) or data injection attacks. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 18.7.9, iPadOS 18.7.9, and corresponding updates for macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. Users and administrators should apply these updates promptly to ensure the vulnerability is remediated. Patch status is confirmed by the vendor advisory indicating the issue is fixed in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.639Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028769cbff5d86108b6e10
Added to database: 5/12/2026, 1:50:33 AM
Last enriched: 5/12/2026, 2:07:16 AM
Last updated: 5/12/2026, 2:54:09 AM
Views: 2
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