CVE-2026-64737: A malicious app may be able to break out of its sandbox in Apple macOS
An authorization issue was addressed with improved state management. This issue is fixed in 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 (CVE-2026-64737) involves an authorization flaw in Apple macOS that could allow a malicious application to escape its sandbox environment. The flaw was mitigated by Apple through improved state management. The issue affects macOS versions prior to the fixed releases Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. The CVSS v3.1 base score is 8.2, indicating high severity, with attack vector local, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality and integrity but no impact on availability.
Potential Impact
A malicious application running on an affected macOS system may exploit this vulnerability to break out of its sandbox, potentially gaining unauthorized access to system resources or sensitive data. This could lead to a compromise of confidentiality and integrity of the system. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
Apple has fixed this vulnerability in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should apply these official updates to remediate the issue. Patch status is confirmed by the vendor advisory indicating an official fix is available in these versions.
CVE-2026-64737: A malicious app may be able to break out of its sandbox in Apple macOS
Description
An authorization issue was addressed with improved state management. This issue is fixed in 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 8.2high
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-64737) involves an authorization flaw in Apple macOS that could allow a malicious application to escape its sandbox environment. The flaw was mitigated by Apple through improved state management. The issue affects macOS versions prior to the fixed releases Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. The CVSS v3.1 base score is 8.2, indicating high severity, with attack vector local, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality and integrity but no impact on availability.
Potential Impact
A malicious application running on an affected macOS system may exploit this vulnerability to break out of its sandbox, potentially gaining unauthorized access to system resources or sensitive data. This could lead to a compromise of confidentiality and integrity of the system. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
Apple has fixed this vulnerability in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should apply these official updates to remediate the issue. Patch status is confirmed by the vendor advisory indicating an official fix is available in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:09:54.848Z
- State
- PUBLISHED
Threat ID: 6a67c1c49c2644c7f8cb149f
Added to database: 07/27/2026, 20:38:28 UTC
Last enriched: 07/29/2026, 23:57:49 UTC
Last updated: 09/10/2026, 20:01:52 UTC
Views: 48
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