CVE-2026-43711

Received Received - Intake

Memory Corruption in iOS and macOS via Malicious Video File

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

A memory corruption issue was addressed with improved memory 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted video file may lead to unexpected app termination.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-43711

EUVD

EUVD-2026-49548

Affected Vendors & Products

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

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a memory corruption vulnerability caused by improper memory handling. It occurs when a maliciously crafted video file is processed, potentially leading to unexpected app termination.

Detection Guidance

This vulnerability is specific to Apple operating systems and is triggered by processing maliciously crafted video files. Detection requires checking if your device is running an affected version of iOS, iPadOS, macOS, tvOS, visionOS, or watchOS. Use system update commands to verify your OS version.

Impact Analysis

If exploited, this vulnerability could cause apps to crash unexpectedly when processing a specially designed video file. This may disrupt normal device usage and lead to data loss if unsaved work is affected.

Mitigation Strategies

Update your 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. Avoid opening untrusted video files until the update is applied.

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