CVE-2026-65391 Memory corruption in Safari

High 8.8 Published Updated

Attackers can execute arbitrary code by tricking users into visiting malicious web content in Safari or Apple operating systems.

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-2026-65391?

CVE-2026-65391 is a high-severity memory corruption vulnerability in Apple Ipados, published on 14 Sep 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

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

Weakness: CWE-190

Which versions are affected by CVE-2026-65391?

It affects 7 products.

Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Tvos, Apple Visionos and 1 more.

How do I fix CVE-2026-65391?

No fix has been published for CVE-2026-65391 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-2026-65391 being exploited?

There is no known exploitation of CVE-2026-65391 in the wild and no public exploit code.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-fpph-f3w3-r7wh.

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