Apple watchOS vulnerabilities

CVE-2026-43655 [HIGH] CWE-125 CVE-2026-43655: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 a 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.

CVE-2024-9681 [MEDIUM] CVE-2024-9681: watchOS 11.4 Apple Security Update: About the security content of watchOS 11.4 Product: watchOS Version: 11.4 CVE: CVE-2024-9681 Component: CVE-2024-9681

CVE-2026-28972 [MEDIUM] CWE-787 CVE-2026-28972: An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iO 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, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or write kernel memory.

CVE-2023-42849 [MEDIUM] CWE-119 CVE-2023-42849: The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17 The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Ventura 13.6.1, macOS Sonoma 14.1. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

CVE-2019-6230 [HIGH] CWE-665 CVE-2019-6230: A memory initialization issue was addressed with improved memory handling. This issue is fixed in iO A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3,macOS Mojave 10.14.3,tvOS 12.1.2,watchOS 5.1.3. A malicious application may be able to break out of its sandbox.

CVE-2018-4311 [HIGH] CWE-200 CVE-2018-4311: The issue was addressed by removing origin information. This issue affected versions prior to iOS 12 The issue was addressed by removing origin information. This issue affected versions prior to iOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

CVE-2021-30955 [HIGH] CWE-362 CVE-2021-30955: A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 1 A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.

CVE-2016-4632 [HIGH] CWE-119 CVE-2016-4632: ImageIO in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 ImageIO in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to cause a denial of service (memory consumption) via unspecified vectors.

CVE-2015-6978 [MEDIUM] CVE-2015-6978: FontParser in Apple iOS before 9.1 and OS X before 10.11.1 allows remote attackers to execute arbitr FontParser in Apple iOS before 9.1 and OS X before 10.11.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file, a different vulnerability than CVE-2015-6976, CVE-2015-6977, CVE-2015-6990, CVE-2015-6991, CVE-2015-6993, CVE-2015-7008, CVE-2015-7009, CVE-2015-7010, and CVE-2015-7018.

CVE-2016-1818 [HIGH] CVE-2016-1818: IOAcceleratorFamily in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS b IOAcceleratorFamily 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 attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1819.

CVE-2018-4100 [HIGH] CWE-400 CVE-2018-4100: An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13 An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. watchOS before 4.2.2 is affected. The issue involves the "LinkPresentation" component. It allows remote attackers to cause a denial of service (resource consumption) via a crafted text message.

CVE-2016-4650 [HIGH] CVE-2016-4650: watchOS 2.2.2 Apple Security Update: About the security content of watchOS 2.2.2 Product: watchOS Version: 2.2.2 CVE: CVE-2016-4650 Component: IOHIDFamily Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling.

CVE-2018-4343 [HIGH] CWE-119 CVE-2018-4343: A memory corruption issue was addressed with improved memory handling. This issue affected versions A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

CVE-2018-4126 [HIGH] CWE-119 CVE-2018-4126: A memory corruption issue was addressed with improved memory handling. This issue affected versions A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5, iTunes 12.9 for Windows, iCloud for Windows 7.7.

CVE-2017-2407 [HIGH] CWE-119 CVE-2017-2407: An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "FontParser" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a cr

CVE-2017-2435 [HIGH] CWE-119 CVE-2017-2435: An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "CoreText" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a craf

CVE-2017-2406 [HIGH] CWE-119 CVE-2017-2406: An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "FontParser" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a cr

CVE-2015-5903 [CRITICAL] CVE-2015-5903: The kernel in Apple iOS before 9 allows local users to gain privileges or cause a denial of service The kernel in Apple iOS before 9 allows local users to gain privileges or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2015-5868 and CVE-2015-5896.

CVE-2017-2487 [HIGH] CWE-119 CVE-2017-2487: An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "FontParser" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a cr

CVE-2016-1824 [HIGH] CVE-2016-1824: IOHIDFamily in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2. IOHIDFamily 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 attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1823.