CVE-2026-64788 Memory corruption in iOS and iPadOS

Medium 5.4 Published Updated

Attackers can execute arbitrary code by tricking users into viewing malicious web content on Apple devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-64788?

CVE-2026-64788 is a medium-severity memory corruption vulnerability in Apple Ipados, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, 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 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

Weakness: CWE-119

Which versions are affected by CVE-2026-64788?

It affects 3 products.

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

How do I fix CVE-2026-64788?

No fix has been published for CVE-2026-64788 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-2026-64788 being exploited?

There is no known exploitation of CVE-2026-64788 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-23mg-c4fv-vfxj.

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