CVE-2026-43805
Received Received - Intake

Race Condition in Apple iOS and macOS Leading to Kernel Memory Write

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
CVE-2026-43805
EUVD
EUVD-2026-49460

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
apple ios 26.6
apple ipad_os 26.6
apple macos_sequoia 15.7.8
apple macos_sonoma 14.8.8
apple macos_tahoe 26.6
apple watchos 26.6

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a race condition vulnerability where improper state handling could allow an app to cause unexpected system termination or write to kernel memory. It was fixed in specific versions of iOS, iPadOS, macOS, and watchOS.

Impact Analysis

An attacker could exploit this to crash your device or corrupt kernel memory, potentially leading to data loss or unauthorized access. It requires a malicious app to be installed on your device.

Mitigation Strategies

Update affected systems to the latest patched versions: iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, or watchOS 26.6.

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