CVE-2026-64738

Published Jul 27, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Sandbox Breakout via Permissions Issue in macOS
Type Values Removed Values Added
Description A permissions issue was addressed with additional restrictions. 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. 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.
References
Type Values Removed Values Added
Title Sandbox Breakout via Permissions Issue in macOS
Type Values Removed Values Added
Title macOS Sandbox Escape via Permissions Issue
Weaknesses CWE-285
CWE-290
Type Values Removed Values Added
Title macOS Sandbox Escape via Permissions Issue
Weaknesses CWE-285
CWE-290
Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A permissions issue was addressed with additional restrictions. 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Aug 17, 2026, 9:29 PM
Reserved
Jul 20, 2026, 6:09 PM
Status
Modified
Published
Jul 27, 2026, 9:17 PM
Modified
Oct 24, 2026, 1:10 PM