CVE-2026-64720

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-27 · updated 2026-07-28
Weakness: CWE-362

Description

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

Affected products

Apple iPadOS: before 26.6 — fixed in 26.6
Apple Iphone Os: before 26.6 — fixed in 26.6
Apple macOS: from 26.0 before 26.6 — fixed in 26.6
Apple tvOS: before 26.6 — fixed in 26.6
Apple watchOS: before 26.6 — fixed in 26.6

How to fix

Upgrade to a fixed version: Apple iPadOS 26.6; Apple Iphone Os 26.6; Apple macOS 26.6; Apple tvOS 26.6; Apple watchOS 26.6. Check the vendor advisory for mitigations.

References

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