Apple watchOS vulnerabilities

CVE-2025-43210 [MEDIUM] CWE-125 CVE-2025-43210: An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iO An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

CVE-2026-20687 [HIGH] CWE-416 CVE-2026-20687: A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18. A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.

CVE-2026-28865 [HIGH] CWE-285 CVE-2026-28865: An authentication issue was addressed with improved state management. This issue is fixed in iOS 18. An authentication issue was addressed with improved state management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An attacker in a privileged network position may be able to intercept network traffic.

CVE-2026-20698 [HIGH] CWE-787 CVE-2026-20698: The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26 The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVE-2026-28878 [MEDIUM] CWE-200 CVE-2026-28878: A privacy issue was addressed by removing sensitive data. This issue is fixed in iOS 18.7.7 and iPad A privacy issue was addressed by removing sensitive data. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to enumerate a user's installed apps.

CVE-2026-20665 [MEDIUM] CWE-693 CVE-2026-20665: This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

CVE-2026-20690 [MEDIUM] CWE-125 CVE-2026-20690: An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iO An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing an audio stream in a maliciously crafted media file may terminate the process.

CVE-2026-28859 [MEDIUM] CWE-125 CVE-2026-28859: The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.

CVE-2026-28886 [MEDIUM] CWE-476 CVE-2026-28886: A null pointer dereference was addressed with improved input validation. This issue is fixed in iOS A null pointer dereference was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A user in a privileged network position may be able to cause a denial-of-service.

CVE-2026-28863 [MEDIUM] CVE-2026-28863: A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.4 and A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.4 and iPadOS 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to fingerprint the user.

CVE-2026-28856 [MEDIUM] CWE-284 CVE-2026-28856: The issue was addressed with improved authentication. This issue is fixed in iOS 26.4 and iPadOS 26. The issue was addressed with improved authentication. This issue is fixed in iOS 26.4 and iPadOS 26.4, visionOS 26.4, watchOS 26.4. An attacker with physical access to a locked device may be able to view sensitive user information.

CVE-2026-28822 [MEDIUM] CWE-843 CVE-2026-28822: A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An attacker may be able to cause unexpected app termination.

CVE-2026-20637 [MEDIUM] CWE-416 CVE-2026-20637: A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18. A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

CVE-2026-28867 [MEDIUM] CVE-2026-28867: This issue was addressed with improved authentication. This issue is fixed in iOS 18.7.7 and iPadOS This issue was addressed with improved authentication. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to leak sensitive kernel state.

CVE-2026-28868 [MEDIUM] CWE-532 CVE-2026-28868: A logging issue was addressed with improved data redaction. This issue is fixed in iOS 18.7.7 and iP A logging issue was addressed with improved data redaction. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. An app may be able to disclose kernel memory.

CVE-2026-20691 [MEDIUM] CWE-497 CVE-2026-20691: An authorization issue was addressed with improved state management. This issue is fixed in Safari 2 An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A maliciously crafted webpage may be able to fingerprint the user.

CVE-2026-28882 [MEDIUM] CVE-2026-28882: This issue was addressed with improved checks. This issue is fixed in iOS 26.4 and iPadOS 26.4, macO This issue was addressed with improved checks. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to enumerate a user's installed apps.

CVE-2026-28852 [MEDIUM] CWE-20 CVE-2026-28852: A stack overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and A stack overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause a denial-of-service.

CVE-2026-28879 [MEDIUM] CWE-416 CVE-2026-28879: A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18. A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2026-28870 [MEDIUM] CVE-2026-28870: An information leakage was addressed with additional validation. This issue is fixed in iOS 26.4 and An information leakage was addressed with additional validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to access sensitive user data.