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Apple macOS Sequoia1 vulnerability

Risk 17
First published (updated )
Advisory
APPLE-148171

Apple macOS Improper Authentication Vulnerability

Risk 99
Severity
9.8
Exploited
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An authentication issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.

1 / 3
Source: MITRE
First published (updated )
CVE-2026-65400

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation

Risk 68
Severity
7.8
Use After Free, Buffer Overflow, Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to execute arbitrary code with kernel privileges.

1 / 22
Source: MITRE
First published (updated )
CVE-2026-64747

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation

Risk 51
Severity
7.1
Use After Free, Buffer Overflow, Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Accessibility. This issue was addressed through improved state management.

1 / 20
Source: Apple
First published (updated )
CVE-2026-64725

Apple WatchOSBuffer Overflow, Input Validation, Infoleak

Risk 31
Severity
5.5
Buffer Overflow, Input Validation, Infoleak
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Accessibility. This issue was addressed through improved state management.

1 / 10
Source: Apple
First published (updated )
CVE-2026-43801

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation, Infoleak

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Race Condition, Input Validation, Infoleak
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Accessibility. This issue was addressed through improved state management.

1 / 30
Source: Apple
First published (updated )
CVE-2026-64734

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation

Risk 68
Severity
7.8
Use After Free, Buffer Overflow, Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Accessibility. This issue was addressed through improved state management.

1 / 34
Source: Apple
First published (updated )
CVE-2026-43673

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. This issue was addressed through improved state management.

1 / 35
Source: Apple
First published (updated )
CVE-2026-43744

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Race Condition, Input Validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Accessibility. This issue was addressed through improved state management.

1 / 35
Source: Apple
First published (updated )
CVE-2026-43803

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation

Risk 68
Severity
7.8
Use After Free, Buffer Overflow, Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted video file may lead to unexpected app termination.

1 / 37
Source: MITRE
First published (updated )
CVE-2026-43711

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Infoleak

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Race Condition, Infoleak
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Accounts Framework. This issue was addressed with improved data protection.

1 / 42
Source: Apple
First published (updated )
CVE-2026-43758

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation, Integer Overflow

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Race Condition, Input Validation, Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Accessibility. This issue was addressed through improved state management.

1 / 54
Source: Apple
First published (updated )
CVE-2026-43714

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 68
Severity
7.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Accessibility. This issue was addressed through improved state management.

1 / 65
Source: Apple
First published (updated )
CVE-2026-43780

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation, Integer Overflow, Infoleak

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Race Condition, Input Validation, Integer Overflow, Infoleak
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Accessibility. This issue was addressed through improved state management.

1 / 57
Source: Apple
First published (updated )
CVE-2026-43796

Apple WatchOSUse After Free, Buffer Overflow, Race Condition, Input Validation, Integer Overflow

Risk 51
Severity
7.1
Use After Free, Buffer Overflow, Race Condition, Input Validation, Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Accessibility. This issue was addressed through improved state management.

1 / 59
Source: Apple
First published (updated )
CVE-2026-64692

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 68
Severity
7.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Accessibility. This issue was addressed through improved state management.

1 / 66
Source: Apple
First published (updated )
CVE-2026-64716

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. This issue was addressed through improved state management.

1 / 68
Source: Apple
First published (updated )
CVE-2026-64754

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted image may lead to a denial-of-service.

1 / 70
Source: MITRE
First published (updated )
CVE-2026-64693

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.

1 / 71
Source: MITRE
First published (updated )
CVE-2026-43805

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.

1 / 80
Source: MITRE
First published (updated )
CVE-2026-43778

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition, Infoleak

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition, Infoleak
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Accessibility. This issue was addressed through improved state management.

1 / 88
Source: Apple
First published (updated )
CVE-2026-64709

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 37
Severity
6.5
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Accessibility. This issue was addressed through improved state management.

1 / 81
Source: Apple
First published (updated )
CVE-2026-64735

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

1 / 82
Source: MITRE
First published (updated )
CVE-2026-43822

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

1 / 82
Source: MITRE
First published (updated )
CVE-2026-64700

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

1 / 82
Source: MITRE
First published (updated )
CVE-2026-43799

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Accessibility. This issue was addressed through improved state management.

1 / 86
Source: Apple
First published (updated )
CVE-2026-43769

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Accessibility. This issue was addressed through improved state management.

1 / 91
Source: Apple
First published (updated )
CVE-2026-43810

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 86
Severity
9.8
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

1 / 85
Source: MITRE
First published (updated )
CVE-2026-64775

Apple WatchOSUse After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition

Risk 31
Severity
5.5
Use After Free, Buffer Overflow, Input Validation, Integer Overflow, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Accessibility. This issue was addressed through improved state management.

1 / 92
Source: Apple
First published (updated )
CVE-2026-64721

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