A race condition was addressed with improved state handling. (CVE-2026-64720)
CVE-2026-64720 is a critical race condition vulnerability affecting Apple operating systems including iOS, iPadOS, macOS Tahoe, tvOS, and watchOS. The flaw could allow an application to cause unexpected system termination. The issue is addressed by improved state handling and fixed in version 26.6 of the affected OSes.
AI Analysis
Technical Summary
This vulnerability is a race condition (CWE-362) that was mitigated by improved state handling in Apple OS platforms. It allows an unprivileged app to trigger unexpected system termination, impacting system availability. The fix is included in iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, and watchOS 26.6. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker controlling an app could cause unexpected system termination, leading to denial of service. The vulnerability affects confidentiality, integrity, and availability at a high level as per the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Apply the official fixes by upgrading to version 26.6 or later of iOS, iPadOS, macOS Tahoe, tvOS, and watchOS. No other mitigation is indicated.
A race condition was addressed with improved state handling. (CVE-2026-64720)
Description
CVE-2026-64720 is a critical race condition vulnerability affecting Apple operating systems including iOS, iPadOS, macOS Tahoe, tvOS, and watchOS. The flaw could allow an application to cause unexpected system termination. The issue is addressed by improved state handling and fixed in version 26.6 of the affected OSes.
CVSS v3.1
Score 9.8critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a race condition (CWE-362) that was mitigated by improved state handling in Apple OS platforms. It allows an unprivileged app to trigger unexpected system termination, impacting system availability. The fix is included in iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, and watchOS 26.6. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker controlling an app could cause unexpected system termination, leading to denial of service. The vulnerability affects confidentiality, integrity, and availability at a high level as per the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Apply the official fixes by upgrading to version 26.6 or later of iOS, iPadOS, macOS Tahoe, tvOS, and watchOS. No other mitigation is indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-w4p3-w4vf-cww2
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64720"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6941f59c2644c7f86cc211
Added to database: 07/28/2026, 23:57:41 UTC
Last enriched: 07/29/2026, 11:10:42 UTC
Last updated: 09/12/2026, 22:01:35 UTC
Views: 113
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