CVE-2026-64738: A malicious app may be able to break out of its sandbox in Apple iOS and iPadOS
A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.
AI Analysis
Technical Summary
This vulnerability involves a permissions issue in Apple macOS that could allow a malicious app to escape its sandbox environment, thereby bypassing security controls. The problem was mitigated by implementing additional restrictions. The fix is included in the specified macOS versions: Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
If exploited, this vulnerability could allow an attacker to execute code outside the sandbox, potentially leading to full system compromise, unauthorized access to sensitive data, and disruption of system operations. The critical CVSS score reflects the high severity of this impact.
Mitigation Recommendations
A fix is available and included in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate the vulnerability. No additional mitigation guidance is provided or required beyond applying the official patches.
CVE-2026-64738: A malicious app may be able to break out of its sandbox in Apple iOS and iPadOS
Description
A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.
CVSS v3.1
Score 9.8critical
Affected software
Apple
iOS and iPadOS
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a permissions issue in Apple macOS that could allow a malicious app to escape its sandbox environment, thereby bypassing security controls. The problem was mitigated by implementing additional restrictions. The fix is included in the specified macOS versions: Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
If exploited, this vulnerability could allow an attacker to execute code outside the sandbox, potentially leading to full system compromise, unauthorized access to sensitive data, and disruption of system operations. The critical CVSS score reflects the high severity of this impact.
Mitigation Recommendations
A fix is available and included in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate the vulnerability. No additional mitigation guidance is provided or required beyond applying the official patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:09:54.848Z
- State
- PUBLISHED
Threat ID: 6a67c1c49c2644c7f8cb14a4
Added to database: 07/27/2026, 20:38:28 UTC
Last enriched: 07/29/2026, 23:35:18 UTC
Last updated: 09/10/2026, 20:35:30 UTC
Views: 43
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