CVE-2026-43724: An app may be able to cause unexpected system termination or write kernel memory in Apple iOS and iPadOS
The issue was addressed with improved input sanitization. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.
AI Analysis
Technical Summary
CVE-2026-43724 is a vulnerability in Apple iOS and iPadOS where an application may cause unexpected system termination or write kernel memory due to insufficient input sanitization. This could lead to a high impact on confidentiality, integrity, and availability of the affected system. The issue is fixed in iOS and iPadOS 26.5.2 and related Apple operating system versions.
Potential Impact
An attacker with limited privileges (local access with low complexity) can exploit this vulnerability to cause a system crash or potentially write to kernel memory, which may lead to privilege escalation or system compromise. The impact affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
This vulnerability is fixed in iOS and iPadOS version 26.5.2. Users and administrators should update affected devices to iOS/iPadOS 26.5.2 or later to remediate this issue. No additional mitigation guidance is provided or required beyond applying the official update.
CVE-2026-43724: An app may be able to cause unexpected system termination or write kernel memory in Apple iOS and iPadOS
Description
The issue was addressed with improved input sanitization. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43724 is a vulnerability in Apple iOS and iPadOS where an application may cause unexpected system termination or write kernel memory due to insufficient input sanitization. This could lead to a high impact on confidentiality, integrity, and availability of the affected system. The issue is fixed in iOS and iPadOS 26.5.2 and related Apple operating system versions.
Potential Impact
An attacker with limited privileges (local access with low complexity) can exploit this vulnerability to cause a system crash or potentially write to kernel memory, which may lead to privilege escalation or system compromise. The impact affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
This vulnerability is fixed in iOS and iPadOS version 26.5.2. Users and administrators should update affected devices to iOS/iPadOS 26.5.2 or later to remediate this issue. No additional mitigation guidance is provided or required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.645Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d327e9c7971972d087
Added to database: 06/29/2026, 20:21:39 UTC
Last enriched: 07/30/2026, 00:56:47 UTC
Last updated: 08/14/2026, 00:41:12 UTC
Views: 81
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