CVE-2026-20605

Severity: medium (CVSS 4.6 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: 2026-02-11 · updated 2026-06-17
Weakness: CWE-119

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to crash a system process.

Affected products

Apple iPadOS: before 18.7.5 — fixed in 18.7.5
Apple Iphone Os: before 18.7.5 — fixed in 18.7.5
Apple macOS: from 14.0 before 14.8.4; from 15.0 before 15.7.4; from 26.0 before 26.3 — fixed in 14.8.4, 15.7.4, 26.3

How to fix

Upgrade to a fixed version: Apple iPadOS 18.7.5; Apple Iphone Os 18.7.5; Apple macOS 14.8.4, 15.7.4, 26.3. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/126347
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126349
https://support.apple.com/en-us/126350

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