CVE-2023-32401 Memory corruption in macOS

High 7.8 Published 10 Jan 2024 Updated 16 Jun 2025

A buffer overflow in macOS allows attackers to execute arbitrary code or cause app termination via malicious office documents.

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-2023-32401?

CVE-2023-32401 is a high-severity memory corruption vulnerability in Apple Macos, published on 10 Jan 2024. 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

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.6.6, macOS Big Sur 11.7.7, macOS Ventura 13.4. Parsing an office document may lead to an unexpected app termination or arbitrary code execution.

Weakness: CWE-120

Which versions are affected by CVE-2023-32401?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2023-32401?

No fix has been published for CVE-2023-32401 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-2023-32401 being exploited?

There is no known exploitation of CVE-2023-32401 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-wf3q-774p-8m3p.