CVE-2026-43812 Use after free in iOS and iPadOS

Critical 9.8 Published Updated

An app can trigger a use-after-free vulnerability in Apple operating systems, causing unexpected system termination.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-43812?

CVE-2026-43812 is a critical use after free vulnerability in Apple Ipados, published on 27 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. An app may be able to cause unexpected system termination.

Weakness: CWE-416

Which versions are affected by CVE-2026-43812?

It affects 5 products.

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

How do I fix CVE-2026-43812?

No fix has been published for CVE-2026-43812 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-43812 being exploited?

There is no known exploitation of CVE-2026-43812 in the wild and no public exploit code.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-2m53-35qc-87r8.

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