CVE-2026-64740: A malicious app may be able to break out of its sandbox in Apple iOS and iPadOS
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6. A malicious app may be able to break out of its sandbox.
AI Analysis
Technical Summary
This vulnerability arises from improper validation of directory paths in Apple iOS and iPadOS, classified under CWE-22 (Improper Limitation of a Pathname to a Restricted Directory). A malicious application exploiting this flaw may escape its sandbox restrictions, gaining unauthorized access to system resources or user data. Apple has fixed the issue in iOS 26.6 and iPadOS 26.6, as well as in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, and tvOS 26.6 by improving path validation mechanisms.
Potential Impact
Successful exploitation allows a malicious app to break out of its sandbox, which can lead to complete compromise of device confidentiality, integrity, and availability. This means an attacker could access or modify sensitive data, execute arbitrary code with elevated privileges, and disrupt system operations.
Mitigation Recommendations
A fix is available from Apple in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices to these versions or later to remediate this vulnerability. No additional mitigation guidance is provided by the vendor advisory.
CVE-2026-64740: A malicious app may be able to break out of its sandbox in Apple iOS and iPadOS
Description
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6. A malicious app may be able to break out of its sandbox.
CVSS v3.1
Score 9.3critical
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper validation of directory paths in Apple iOS and iPadOS, classified under CWE-22 (Improper Limitation of a Pathname to a Restricted Directory). A malicious application exploiting this flaw may escape its sandbox restrictions, gaining unauthorized access to system resources or user data. Apple has fixed the issue in iOS 26.6 and iPadOS 26.6, as well as in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, and tvOS 26.6 by improving path validation mechanisms.
Potential Impact
Successful exploitation allows a malicious app to break out of its sandbox, which can lead to complete compromise of device confidentiality, integrity, and availability. This means an attacker could access or modify sensitive data, execute arbitrary code with elevated privileges, and disrupt system operations.
Mitigation Recommendations
A fix is available from Apple in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices to these versions or later to remediate this vulnerability. No additional mitigation guidance is provided by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:09:54.848Z
- State
- PUBLISHED
Threat ID: 6a67c1c49c2644c7f8cb14b2
Added to database: 07/27/2026, 20:38:28 UTC
Last enriched: 07/29/2026, 20:53:17 UTC
Last updated: 09/11/2026, 22:06:34 UTC
Views: 49
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