CVE-2023-23526

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-08 · updated 2026-06-17

Description

This was addressed with additional checks by Gatekeeper on files downloaded from an iCloud shared-by-me folder. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4. A file from an iCloud shared-by-me folder may be able to bypass Gatekeeper.

Affected products

Apple iPadOS: before 16.4 — fixed in 16.4
Apple Iphone Os: before 16.4 — fixed in 16.4
Apple macOS: before 13.3 — fixed in 13.3

How to fix

Upgrade to a fixed version: Apple iPadOS 16.4; Apple Iphone Os 16.4; Apple macOS 13.3. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/HT213670
https://support.apple.com/en-us/HT213676
https://support.apple.com/en-us/HT213670
https://support.apple.com/en-us/HT213676

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