CVE-2026-43702 Memory corruption in iOS and iPadOS

High 7.8 Published Updated

Attackers can cause app termination or memory corruption by tricking users into opening a malicious video file on Apple devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-43702?

CVE-2026-43702 is a high-severity memory corruption vulnerability in Apple Ipados, published on 14 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.8, macOS Tahoe 26.6, macOS Tahoe 26.7, tvOS 26.6, watchOS 26.6. Processing a maliciously crafted video file may lead to unexpected app termination or corrupt process memory.

Weakness: CWE-119

Which versions are affected by CVE-2026-43702?

It affects 5 products.

Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.

How do I fix CVE-2026-43702?

No fix has been published for CVE-2026-43702 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-43702 being exploited?

There is no known exploitation of CVE-2026-43702 in the wild and no public exploit code.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-hmx3-x542-g37c.

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