CVE-2026-43822: 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 involves a use-after-free condition in Apple iOS and iPadOS that could be exploited by a malicious app to cause unexpected system termination, potentially leading to denial of service or other impacts. Apple fixed this issue by improving memory management in iOS 26.6 and iPadOS 26.6, along with updates to other Apple operating systems. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, 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, resulting in denial of service and potentially compromising system stability and security. The CVSS score of 9.8 indicates critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available and has been released by Apple 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 steps are indicated by the vendor advisory.
CVE-2026-43822: 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 involves a use-after-free condition in Apple iOS and iPadOS that could be exploited by a malicious app to cause unexpected system termination, potentially leading to denial of service or other impacts. Apple fixed this issue by improving memory management in iOS 26.6 and iPadOS 26.6, along with updates to other Apple operating systems. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, 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, resulting in denial of service and potentially compromising system stability and security. The CVSS score of 9.8 indicates critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available and has been released by Apple 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 steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.822Z
- State
- PUBLISHED
Threat ID: 6a67c1be9c2644c7f8cb1236
Added to database: 07/27/2026, 20:38:22 UTC
Last enriched: 07/29/2026, 23:38:05 UTC
Last updated: 09/11/2026, 19:31:55 UTC
Views: 55
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