CVE-2022-46693 Memory corruption in iCloud for Windows

High 7.8 Published 15 Dec 2022 Updated 21 Apr 2025

Attackers can execute arbitrary code by tricking users into opening a maliciously crafted file on Apple operating systems and iCloud for Windows.

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-2022-46693?

CVE-2022-46693 is a high-severity memory corruption vulnerability in Apple Icloud, published on 15 Dec 2022. 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

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in tvOS 16.2, iCloud for Windows 14.1, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing a maliciously crafted file may lead to arbitrary code execution.

Weakness: CWE-787

Which versions are affected by CVE-2022-46693?

It affects 6 products.

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

How do I fix CVE-2022-46693?

No fix has been published for CVE-2022-46693 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-2022-46693 being exploited?

There is no known exploitation of CVE-2022-46693 in the wild and no public exploit code.

All Apple Icloud vulnerabilities

Sources

Also known as GHSA-qjg8-52hj-5hj8.