CVE-2026-84593

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-10-26
Weakness: CWE-416

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to cause unexpected system termination.

Affected products

Apple iPadOS: before 27.0 — fixed in 27.0
Apple Iphone Os: before 27.0 — fixed in 27.0
Apple iOS and iPadOS: before 27 — fixed in 27

How to fix

Upgrade to a fixed version: Apple iPadOS 27.0; Apple Iphone Os 27.0; Apple iOS and iPadOS 27. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/149034

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