CVE-2026-20626

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% 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-862

Description

This issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Tahoe 26.3, visionOS 26.3. A malicious app may be able to gain root privileges.

Affected products

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

How to fix

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

References

https://support.apple.com/en-us/126346
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126349
https://support.apple.com/en-us/126353

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