CVE-2026-43744
Received Received - Intake

Out-of-Bounds Write in Apple iOS and macOS

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing an audio stream in a maliciously crafted media file may terminate the process.

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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-2026-43744
EUVD
EUVD-2026-49510

Affected Vendors & Products

Showing 8 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 tv_os 26.6
apple vision_os 26.6
apple watch_os 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 an out-of-bounds write vulnerability caused by insufficient bounds checking when processing audio streams in media files. A maliciously crafted file could trigger this flaw, potentially terminating the affected process.

Impact Analysis

If exploited, this vulnerability could cause applications processing audio streams to crash. This may lead to denial of service or unexpected termination of services relying on audio processing.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6.

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