CVE-2026-64720

Race Condition Causing Unexpected System Termination in Apple Operating Systems

Published Jul 27, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

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 Race Condition Causing Unexpected System Termination in Apple Operating Systems
Type Values Removed Values Added
Title Race Condition Allowing Unexpected System Termination in Apple Operating Systems
Weaknesses CWE-410
Type Values Removed Values Added
Title Race Condition Allowing Unexpected System Termination in Apple Operating Systems
Weaknesses CWE-410
Type Values Removed Values Added
Weaknesses CWE-362
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 ios And Ipados
Apple macos
Apple tvos
Apple watchos
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple tvos
Apple watchos
Type Values Removed Values Added
Description A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Jul 28, 2026, 3:49 PM
Reserved
Jul 20, 2026, 6:09 PM
Status
Analyzed
Published
Jul 27, 2026, 9:17 PM
Modified
Jul 28, 2026, 7:53 PM