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Apple macOS SequoiaBuffer Overflow, Race Condition, Input Validation

Risk 32
Severity
5.5
Buffer Overflow, Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or write kernel memory.

1 / 13
Source: MITRE
First published (updated )
CVE-2026-64705

Apple macOS TahoeBuffer Overflow, Race Condition, Use After Free

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

A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may bypass Gatekeeper checks.

1 / 43
Source: MITRE
First published (updated )
CVE-2026-64708

Apple macOS TahoeRace Condition, Input Validation

Risk 32
Severity
5.5
Race Condition, Input Validation
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

802.1X. An authentication issue was addressed with improved state management.

1 / 37
Source: Apple
First published (updated )
CVE-2026-20696

Apple visionOSUse After Free, Race Condition, Input Validation, Integer Overflow

Risk 31
Severity
5.5
Use After Free, 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. A privacy issue was addressed by removing sensitive data.

1 / 35
Source: Apple
First published (updated )
CVE-2026-20634

Apple visionOSPath Traversal, Use After Free, Input Validation, Race Condition, Integer Overflow

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

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. An app may be able to access sensitive user data.

1 / 67
Source: MITRE
First published (updated )
CVE-2026-20653

Apple visionOSBuffer Overflow, Use After Free, Input Validation, Race Condition, Integer Overflow

Risk 32
Severity
5.5
Buffer Overflow, Use After Free, Input Validation, Race Condition, Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Accessibility. A privacy issue was addressed by removing sensitive data.

1 / 86
Source: Apple
First published (updated )
CVE-2026-20621

Apple visionOSUse After Free, Input Validation, Integer Overflow

Risk 28
Severity
4.4
Use After Free, Input Validation, Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Accessibility. A privacy issue was addressed by removing sensitive data.

1 / 19
Source: Apple
First published (updated )
CVE-2026-20609

Apple visionOSPath Traversal, Use After Free

Risk 31
Severity
5.5
Path Traversal, Use After Free
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. An app may be able to access sensitive user data.

1 / 7
Source: MITRE
First published (updated )
CVE-2026-20625

Apple macOS SequoiaBuffer Overflow, Race Condition, Input Validation, Integer Overflow, Use After Free

Risk 27
Severity
4.6
Buffer Overflow, Race Condition, Input Validation, Integer Overflow, Use After Free
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Accessibility. An inconsistent user interface issue was addressed with improved state management.

1 / 76
Source: Apple
First published (updated )
CVE-2026-20605

Apple macOS SequoiaRace Condition, Input Validation, Integer Overflow, Use After Free

Risk 32
Severity
5.5
Race Condition, Input Validation, Integer Overflow, Use After Free
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Admin Framework. A parsing issue in the handling of directory paths was addressed with improved path validation.

1 / 76
Source: Apple
First published (updated )
CVE-2026-20602

Apple macOS SequoiaRace Condition, Input Validation, Integer Overflow, Use After Free

Risk 27
Severity
5.3
Race Condition, Input Validation, Integer Overflow, Use After Free
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

A logic issue was addressed with improved checks. 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. Turning off "Load remote content in messages” may not apply to all mail previews.

1 / 44
Source: MITRE
First published (updated )
CVE-2026-20673

Apple macOS SequoiaInput Validation, Race Condition, Buffer Overflow, Integer Overflow

Risk 33
Severity
5.7
Input Validation, Race Condition, Buffer Overflow, Integer Overflow
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. An inconsistent user interface issue was addressed with improved state management.

1 / 62
Source: Apple
First published (updated )
CVE-2025-46300

Apple macOS SequoiaInput Validation, Race Condition, Buffer Overflow, Integer Overflow

Risk 33
Severity
5.7
Input Validation, Race Condition, Buffer Overflow, Integer Overflow
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. An inconsistent user interface issue was addressed with improved state management.

1 / 62
Source: Apple
First published (updated )
CVE-2025-46301

Apple macOS SequoiaInput Validation, Race Condition, Buffer Overflow, Integer Overflow

Risk 33
Severity
5.7
Input Validation, Race Condition, Buffer Overflow, Integer Overflow
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. An inconsistent user interface issue was addressed with improved state management.

1 / 62
Source: Apple
First published (updated )
CVE-2025-46303

Apple macOS SequoiaInput Validation, Race Condition, Buffer Overflow, Integer Overflow

Risk 33
Severity
5.7
Input Validation, Race Condition, Buffer Overflow, Integer Overflow
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. An inconsistent user interface issue was addressed with improved state management.

1 / 62
Source: Apple
First published (updated )
CVE-2025-46302

Apple macOS SequoiaInput Validation, Race Condition, Integer Overflow

Risk 33
Severity
5.7
Input Validation, Race Condition, Integer Overflow
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. An inconsistent user interface issue was addressed with improved state management.

1 / 62
Source: Apple
First published (updated )
CVE-2025-46304

Apple macOS SequoiaInput Validation, Race Condition, Buffer Overflow, Integer Overflow

Risk 33
Severity
5.7
Input Validation, Race Condition, Buffer Overflow, Integer Overflow
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Accessibility. An inconsistent user interface issue was addressed with improved state management.

1 / 62
Source: Apple
First published (updated )
CVE-2025-46305

Apple macOS SonomaRace Condition, Input Validation, Buffer Overflow

Risk 44
Severity
6
Race Condition, Input Validation, Buffer Overflow
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

AirPort. A permissions issue was addressed with additional restrictions.

1 / 80
Source: Apple
First published (updated )
CVE-2025-46310

Apple macOS SequoiaInfoleak, Use After Free, Input Validation, Race Condition, Integer Overflow

Risk 36
Severity
6.5
Infoleak, Use After Free, Input Validation, Race Condition, Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Accessibility. A privacy issue was addressed by removing sensitive data.

1 / 73
Source: Apple
First published (updated )
CVE-2026-20680

Apple macOS SequoiaInfoleak, Race Condition, Input Validation, Integer Overflow, Use After Free

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

A privacy issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to access sensitive user data.

1 / 64
Source: MITRE
First published (updated )
CVE-2026-20612

Apple macOS SequoiaInfoleak, Input Validation, Integer Overflow, Race Condition, Use After Free

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

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3. An app may be able to access sensitive user data.

1 / 66
Source: NVD
First published (updated )
CVE-2026-20619

Apple macOS SonomaBuffer Overflow

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

AirPort. A permissions issue was addressed with additional restrictions.

1 / 26
Source: Apple
First published (updated )
CVE-2025-43403

Apple macOS SequoiaUse After Free

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

Admin Framework. A parsing issue in the handling of directory paths was addressed with improved path validation.

1 / 7
Source: Apple
First published (updated )
CVE-2026-20624

Apple iOSUse After Free, Input Validation, Null Pointer Dereference, Integer Overflow, Race Condition

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

802.1X. An authentication issue was addressed with improved state management.

1 / 43
Source: Apple
First published (updated )
CVE-2026-20668

Apple iOSUse After Free

Risk 36
Severity
6.2
Use After Free
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

802.1X. An authentication issue was addressed with improved state management.

1 / 9
Source: Apple
First published (updated )
CVE-2026-20637

Apple macOS TahoeUse After Free, Input Validation, Integer Overflow, Null Pointer Dereference, Race Condition

Risk 36
Severity
6.2
Use After Free, Input Validation, Integer Overflow, Null Pointer Dereference, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

802.1X. An authentication issue was addressed with improved state management.

1 / 100
Source: Apple
First published (updated )
CVE-2026-20699

Apple macOS TahoeUse After Free, Input Validation, Null Pointer Dereference, Race Condition, Buffer Overflow, Integer Overflow

Risk 32
Severity
5.5
Use After Free, Input Validation, Null Pointer Dereference, Race Condition, Buffer Overflow, Integer Overflow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

802.1X. An authentication issue was addressed with improved state management.

1 / 94
Source: Apple
First published (updated )
CVE-2026-20694

Apple macOS SequoiaUse After Free, Input Validation, Integer Overflow, Null Pointer Dereference, Race Condition

Risk 36
Severity
6.2
Use After Free, Input Validation, Integer Overflow, Null Pointer Dereference, Race Condition
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

802.1X. An authentication issue was addressed with improved state management.

1 / 70
Source: Apple
First published (updated )
CVE-2026-20651

Apple macOS SequoiaBuffer Overflow, Race Condition, Input Validation, Integer Overflow, Use After Free, Infoleak

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

Accounts. A parsing issue in the handling of directory paths was addressed with improved path validation.

1 / 97
Source: Apple
First published (updated )
CVE-2026-20672

Apple macOS SequoiaBuffer Overflow, Race Condition, Input Validation, Integer Overflow, Use After Free

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

A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5. A maliciously crafted ZIP archive may bypass Gatekeeper checks.

1 / 103
Source: MITRE
First published (updated )
CVE-2026-28900

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