CVE-2023-27943

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% 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 issue was addressed with improved checks. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4. Files downloaded from the internet may not have the quarantine flag applied.

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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