CVE-2026-64720 - A race condition was addressed with improved state handling

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CRITICAL

A race condition was addressed with improved state handling

Published Jul 27, 2026

9.8

CRITICAL

CVSS 3.1

EPSS 0.47%

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

Vendor Apple Product iOS and iPadOS Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <26.6
Vendor Apple Product macOS Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <26.6
Vendor Apple Product tvOS Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <26.6
Vendor Apple Product watchOS Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <26.6

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Apple

iOS and iPadOS

n/a

Version	Status	Constraints
0	affected	<26.6

Apple

macOS

n/a

Version	Status	Constraints
0	affected	<26.6

Apple

tvOS

n/a

Version	Status	Constraints
0	affected	<26.6

Apple

watchOS

n/a

Version	Status	Constraints
0	affected	<26.6

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-362

Race Condition

References (4)

https://support.apple.com/en-us/128066
Release NotesVendor Advisory
https://support.apple.com/en-us/128067
Release NotesVendor Advisory
https://support.apple.com/en-us/128068
Release NotesVendor Advisory
https://support.apple.com/en-us/128069
Release NotesVendor Advisory

Link	Providers	Tags
https://support.apple.com/en-us/128066		Release NotesVendor Advisory
https://support.apple.com/en-us/128067		Release NotesVendor Advisory
https://support.apple.com/en-us/128068		Release NotesVendor Advisory
https://support.apple.com/en-us/128069		Release NotesVendor Advisory