CVE-2026-65344

Received Received - Intake

Out-of-Bounds Write in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27. Processing a maliciously crafted video file may lead to unexpected app termination.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-65344

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.7
apple	ipad_os	26.7
apple	ios	27
apple	ipad_os	27
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7
apple	tv_os	27
apple	vision_os	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is an out-of-bounds write vulnerability caused by insufficient bounds checking when processing video files. A maliciously crafted video file could trigger unexpected app termination or potentially allow code execution.

Detection Guidance

This vulnerability involves processing maliciously crafted video files leading to out-of-bounds write issues. Detection requires checking system and application logs for crashes or unexpected terminations after processing video files. Monitor for crashes in media-related applications or system processes.

Impact Analysis

If exploited, this vulnerability could allow an attacker to crash apps or run arbitrary code on your device by tricking you into opening a specially crafted video file. This could lead to data loss, unauthorized access, or further compromise of your system.

Mitigation Strategies

Update affected systems to the latest versions: iOS 26.7 or later, iPadOS 26.7 or later, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, or visionOS 27. Avoid processing untrusted video files until updates are applied.

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