Apple watchOS vulnerabilities

CVE-2026-28846 [HIGH] CWE-121 CVE-2026-28846: A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and A buffer overflow was addressed with improved bounds checking. 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 attacker may be able to cause unexpected app termination.

CVE-2026-28904 [HIGH] CWE-119 CVE-2026-28904: The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7. The issue was addressed with improved memory handling. 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 lead to an unexpected process crash.

CVE-2026-28953 [HIGH] CWE-119 CVE-2026-28953: The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7. The issue was addressed with improved memory handling. 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 lead to an unexpected process crash.

CVE-2026-28883 [HIGH] CWE-416 CVE-2026-28883: A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, 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 to an unexpected process crash.

CVE-2026-64733 [CRITICAL] CWE-200 CVE-2026-64733: This issue was addressed with improved data protection. This issue is fixed in iOS 26.6 and iPadOS 2 This issue was addressed with improved data protection. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to fingerprint the user.

CVE-2026-43658 [HIGH] CWE-119 CVE-2026-43658: The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7. 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 to an unexpected Safari crash.

CVE-2026-64720 [CRITICAL] CWE-362 CVE-2026-64720: A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPa 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.

CVE-2026-43805 [CRITICAL] CWE-362 CVE-2026-43805: A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPa 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.

CVE-2018-4262 [HIGH] CWE-119 CVE-2018-4262: In Safari before 11.1.2, iTunes before 12.8 for Windows, iOS before 11.4.1, tvOS before 11.4.1, iClo In Safari before 11.1.2, iTunes before 12.8 for Windows, iOS before 11.4.1, tvOS before 11.4.1, iCloud for Windows before 7.6, multiple memory corruption issues were addressed with improved memory handling.

CVE-2016-8687 [HIGH] CVE-2016-8687: watchOS 3.1.3 Apple Security Update: About the security content of watchOS 3.1.3 Product: watchOS Version: 3.1.3 CVE: CVE-2016-8687 Component: Kernel Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed through improved memory management.

CVE-2022-23308 [HIGH] CWE-416 CVE-2022-23308: valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

CVE-2018-4372 [HIGH] CWE-119 CVE-2018-4372: Multiple memory corruption issues were addressed with improved memory handling. This issue affected Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

CVE-2024-44206 [CRITICAL] CVE-2024-44206: An issue in the handling of URL protocols was addressed with improved logic. This issue is fixed in An issue in the handling of URL protocols was addressed with improved logic. This issue is fixed in Safari 17.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. A user may be able to bypass some web content restrictions.

CVE-2018-4284 [HIGH] CWE-704 CVE-2018-4284: A type confusion issue was addressed with improved memory handling. This issue affected versions pri A type confusion issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

CVE-2018-4378 [HIGH] CWE-119 CVE-2018-4378: A memory corruption issue was addressed with improved validation. This issue affected versions prior A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

CVE-2021-30854 [HIGH] CVE-2021-30854: A logic issue was addressed with improved state management. This issue is fixed in tvOS 15, watchOS A logic issue was addressed with improved state management. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. A sandboxed process may be able to circumvent sandbox restrictions.

CVE-2016-1840 [HIGH] CWE-119 CVE-2016-1840: Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used i Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.

CVE-2025-43400 [MEDIUM] CWE-787 CVE-2025-43400: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt p

CVE-2021-30677 [HIGH] CVE-2021-30677: This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, i This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to break out of its sandbox.

CVE-2025-43329 [HIGH] CWE-862 CVE-2025-43329: A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26 and iP A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, watchOS 26. An app may be able to break out of its sandbox.