CVE-2026-64700: An app may be able to cause unexpected system termination in Apple iOS and iPadOS
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
AI Analysis
Technical Summary
This vulnerability is a use-after-free issue (CWE-416) affecting Apple iOS and iPadOS, where an app may trigger unexpected system termination due to improper memory management. Apple fixed the issue in iOS 26.6 and iPadOS 26.6, as well as in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6. The CVSS v3.1 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
An attacker controlling a malicious app could exploit this use-after-free vulnerability to cause unexpected system termination, leading to denial of service and potentially impacting system stability and availability. The vulnerability affects core Apple operating systems, posing a critical risk if exploited.
Mitigation Recommendations
A fix is available in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices to these versions or later to remediate the vulnerability. No additional mitigation guidance is provided or required beyond applying the official patches.
CVE-2026-64700: An app may be able to cause unexpected system termination in Apple iOS and iPadOS
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
CVSS v3.1
Score 9.8critical
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Apple
visionOS
Apple
watchOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a use-after-free issue (CWE-416) affecting Apple iOS and iPadOS, where an app may trigger unexpected system termination due to improper memory management. Apple fixed the issue in iOS 26.6 and iPadOS 26.6, as well as in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, and watchOS 26.6. The CVSS v3.1 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
An attacker controlling a malicious app could exploit this use-after-free vulnerability to cause unexpected system termination, leading to denial of service and potentially impacting system stability and availability. The vulnerability affects core Apple operating systems, posing a critical risk if exploited.
Mitigation Recommendations
A fix is available in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices 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
- 2026-07-20T18:09:01.158Z
- State
- PUBLISHED
Threat ID: 6a67c1bf9c2644c7f8cb12c4
Added to database: 07/27/2026, 20:38:23 UTC
Last enriched: 07/29/2026, 23:39:25 UTC
Last updated: 09/11/2026, 22:08:25 UTC
Views: 52
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