macOS vulnerabilities

1,185 known vulnerabilities in macOS from Apple. 1,173 are rated high or critical, and 78 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.8 High severity

  iOS and iPadOS: Improper Restriction of Operations within the Bounds of a Memory Buffer

  CVE-2026-39877Jul 27, 2026Apple

  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 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app

• 7.8 High severity

  macOS: Incorrect Default Permissions

  CVE-2026-39875Jul 27, 2026Apple

  A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to gain root privileges.

• 7.8 High severity

  macOS: Incorrect Default Permissions

  CVE-2026-39874Jul 27, 2026Apple

  A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to gain root privileges.

• 9.8 Critical severity

  macOS: Improper Restriction of Operations within the Bounds of a Memory Buffer

  CVE-2026-39873Jul 27, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious SMB server may lead to unexpected system termination.

• 9.8 Critical severity

  macOS: Concurrent Execution using Shared Resource with Improper Synchronization

  CVE-2026-28982Jul 27, 2026Apple

  A race condition was addressed with improved locking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

• 7.8 High severity

  macOS: Buffer Copy without Checking Size of Input

  CVE-2026-28981Jul 27, 2026Apple

  A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Processing a maliciously crafted image may lead to arbitrary code execution.

• 8.6 High severity

  iOS and iPadOS: Integer Overflow or Wraparound

  CVE-2026-28973Jul 27, 2026Apple

  An integer overflow was addressed with improved input 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, watchOS 26.6. A malicious app may be able to break o

• 7.1 High severity

  macOS: Improper Access Control

  CVE-2026-28945Jul 27, 2026Apple

  A permissions issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to bypass network restrictions.

• 8.8 High severity

  iOS and iPadOS: Buffer Copy without Checking Size of Input

  CVE-2026-28931Jul 27, 2026Apple

  A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. Connecting to a malicious NFS server may lead to kernel memory corruption.

• 9.8 Critical severity

  iOS and iPadOS: Use After Free

  CVE-2026-28928Jul 27, 2026Apple

  A use after free issue was addressed with improved memory management. 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.

• 7.0 High severity

  macOS: Concurrent Execution using Shared Resource with Improper Synchronization

  CVE-2026-28926Jul 27, 2026Apple

  A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.4. An app may be able to elevate privileges.

• 7.8 High severity

  macOS: Protection Mechanism Failure

  CVE-2026-28912Jul 27, 2026Apple

  A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Tahoe 26.6. A user may be able to elevate privileges.

• 9.8 Critical severity

  macOS: Improper Restriction of Operations within the Bounds of a Memory Buffer

  CVE-2026-28911Jul 27, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to corrupt memory of a system process.

• 7.7 High severity

  iOS and iPadOS: Improper Restriction of Operations within the Bounds of a Memory Buffer

  CVE-2026-28896Jul 27, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An attacker may be able to cause unexpected system term

• 8.1 High severity

  Safari: Cross-Site Request Forgery

  CVE-2026-43735Jun 29, 2026Apple

  The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may exfiltrate data cross-origin.

• 8.8 High severity

  Safari: Use After Free

  CVE-2026-43731Jun 29, 2026Apple

  A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted

• 7.1 High severity

  The issue was addressed with improved input validation.

  CVE-2026-43725Jun 29, 2026Apple

  The issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process r

• 7.8 High severity

  The issue was addressed with improved input sanitization.

  CVE-2026-43724Jun 29, 2026Apple

  The issue was addressed with improved input sanitization. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be

• 8.8 High severity

  Safari: Use After Free

  CVE-2026-43715Jun 29, 2026AppleEPSS 1.26%

  A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web c

• 8.8 High severity

  Safari: Access of Resource Using Incompatible Type

  CVE-2026-43705Jun 29, 2026Apple

  A type confusion issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web conten

• 7.1 High severity

  Safari: Improper Access Control

  CVE-2026-43701Jun 29, 2026Apple

  The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process restricted

• 9.1 Critical severity

  This issue was addressed with improved input validation.

  CVE-2026-39868Jun 29, 2026Apple

  This issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be a

• 7.5 High severity

  macOS: Improper Access Control

  CVE-2025-46315Jun 11, 2026Apple

  A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.1. An app may be able to access protected user data.

• 7.8 High severity

  macOS: Improper Privilege Management

  CVE-2025-31272Jun 11, 2026Apple

  The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.4. An app may be able to bypass launch constraint protections and execute malicious code with elevated privileges.

• 8.8 High severity

  macOS: Protection Mechanism Failure

  CVE-2025-24284Jun 11, 2026Apple

  This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in macOS Sequoia 15.4. An app may be able to break out of its sandbox.

• 7.1 High severity

  macOS Monterey: Concurrent Execution using Shared Resource with Improper Synchronization

  CVE-2022-26758Jun 10, 2026Apple

  A malicious application may cause unexpected changes in memory shared between processes. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.4.

• 7.0 High severity

  macOS: Concurrent Execution using Shared Resource with Improper Synchronization

  CVE-2025-46284May 26, 2026Apple

  A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7, macOS Tahoe 26. An app may be able to gain root privileges.

• 7.8 High severity

  macOS: Improper Privilege Management

  CVE-2025-43306May 26, 2026Apple

  A logic issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. A malicious app may be able to gain root privileges.

• 8.8 High severity

  macOS Sequoia: Improper Access Control

  CVE-2025-43524May 12, 2026Apple

  An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.2. An app may be able to break out of its sandbox.

• 7.5 High severity

  iOS and iPadOS: Use After Free

  CVE-2026-43668May 11, 2026AppleEPSS 1.11%

  A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote a

• 7.5 High severity

  iOS and iPadOS: Stack-based Buffer Overflow

  CVE-2026-43661May 11, 2026AppleEPSS 1.26%

  A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5

• 7.5 High severity

  Safari: Protection Mechanism Failure

  CVE-2026-43660May 11, 2026Apple

  A validation issue was addressed with improved logic. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent C

• 8.8 High severity

  Safari: Improper Restriction of Operations within the Bounds of a Memory Buffer

  CVE-2026-43658May 11, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead t

• 7.3 High severity

  iOS and iPadOS: Out-of-bounds Write

  CVE-2026-43656May 11, 2026Apple

  An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead t

• 7.3 High severity

  iOS and iPadOS: Out-of-bounds Read

  CVE-2026-43655May 11, 2026Apple

  An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory.

• 7.5 High severity

  iOS and iPadOS: Exposure of Sensitive System Information to an Unauthorized Control Sphere

  CVE-2026-43654May 11, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to dis

• 7.5 High severity

  macOS: Improper Access Control

  CVE-2026-43652May 11, 2026Apple

  A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.5. An app may be able to access protected user data.

• 7.5 High severity

  macOS: Files or Directories Accessible to External Parties

  CVE-2026-39871May 11, 2026Apple

  A path handling issue was addressed with improved logic. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to observe unprotected user data.

• 7.5 High severity

  macOS: Improper Restriction of Operations within the Bounds of a Memory Buffer

  CVE-2026-39870May 11, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Processing a maliciously crafted image may corrupt process memory.

• 8.8 High severity

  iOS and iPadOS: Improper Privilege Management

  CVE-2026-28995May 11, 2026Apple

  A logic issue was addressed with improved restrictions. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A malicious app may be a