CVE-2026-43673 Memory corruption in iOS and iPadOS

High 7.8 Published Updated

Attackers can corrupt process memory by tricking users into opening a malicious audio file, potentially leading to code execution 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-2026-43673?

CVE-2026-43673 is a high-severity memory corruption vulnerability in Apple Ipados, published on 27 Jul 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 18.7.10 and iPadOS 18.7.10, 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 audio file may corrupt process memory.

Weakness: CWE-119

Which versions are affected by CVE-2026-43673?

It affects 6 products.

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

How do I fix CVE-2026-43673?

No fix has been published for CVE-2026-43673 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-2026-43673 being exploited?

There is no known exploitation of CVE-2026-43673 in the wild and no public exploit code.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-2gqg-xm37-vrf5.

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