CVE-2026-64762: An app may be able to cause unexpected system termination in Apple iOS and iPadOS
An out-of-bounds read was addressed with improved bounds checking. 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. An app may be able to cause unexpected system termination.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read (CWE-125) in Apple macOS that could allow an application to cause unexpected system termination. The flaw was mitigated by improving bounds checking. The fix is included in macOS Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. The CVSS v3.1 score is 9.8, indicating critical severity with 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 the system to terminate unexpectedly, leading to denial of service and potential disruption of system availability. The vulnerability affects confidentiality, integrity, and availability with high impact as per the CVSS score. No known exploits in the wild have been reported.
Mitigation Recommendations
A fix is available in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate this vulnerability. No additional mitigation guidance is provided.
CVE-2026-64762: An app may be able to cause unexpected system termination in Apple iOS and iPadOS
Description
An out-of-bounds read was addressed with improved bounds checking. 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. An app may be able to cause unexpected system termination.
CVSS v3.1
Score 9.8critical
Affected software
Apple
iOS and iPadOS
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read (CWE-125) in Apple macOS that could allow an application to cause unexpected system termination. The flaw was mitigated by improving bounds checking. The fix is included in macOS Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. The CVSS v3.1 score is 9.8, indicating critical severity with 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 the system to terminate unexpectedly, leading to denial of service and potential disruption of system availability. The vulnerability affects confidentiality, integrity, and availability with high impact as per the CVSS score. No known exploits in the wild have been reported.
Mitigation Recommendations
A fix is available in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate this vulnerability. No additional mitigation guidance is provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:10:43.924Z
- State
- PUBLISHED
Threat ID: 6a67c1c79c2644c7f8cb152b
Added to database: 07/27/2026, 20:38:31 UTC
Last enriched: 07/29/2026, 20:52:05 UTC
Last updated: 09/11/2026, 07:31:54 UTC
Views: 38
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