watchOS vulnerabilities

433 known vulnerabilities in watchOS from Apple. 425 are rated high or critical, and 47 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

• 7.5 High severity

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

  CVE-2026-28990May 11, 2026Apple

  The 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 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing a maliciousl

• 7.5 High severity

  iOS and iPadOS: Insertion of Sensitive Information into Log File

  CVE-2026-28987May 11, 2026Apple

  A logging issue was addressed with improved data redaction. 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, watchOS 26.5. An app may be able to leak sensitiv

• 7.5 High severity

  iOS and iPadOS: Concurrent Execution using Shared Resource with Improper Synchronization

  CVE-2026-28986May 11, 2026Apple

  A race condition was addressed with additional 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, watchOS 26.5. An app may be able to cause unexpect

• 7.5 High severity

  iOS and iPadOS: Access of Resource Using Incompatible Type

  CVE-2026-28983May 11, 2026Apple

  A type confusion issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may

• 7.5 High severity

  iOS and iPadOS: Improper Access Control

  CVE-2026-28974May 11, 2026Apple

  This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service.

• 7.5 High severity

  iOS and iPadOS: Use After Free

  CVE-2026-28969May 11, 2026Apple

  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, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.7, macOS Sequoia 15.8, macOS Sonoma 14.8.7, macO

• 7.5 High severity

  iOS and iPadOS: Buffer Copy without Checking Size of Input

  CVE-2026-28959May 11, 2026Apple

  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. An app may be abl

• 8.8 High severity

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

  CVE-2026-28955May 11, 2026Apple

  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

• 8.8 High severity

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

  CVE-2026-28953May 11, 2026Apple

  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

• 8.8 High severity

  Safari: Use After Free

  CVE-2026-28947May 11, 2026Apple

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

• 7.5 High severity

  iOS and iPadOS: Insertion of Sensitive Information into Log File

  CVE-2026-28943May 11, 2026Apple

  A logging issue was addressed with improved data redaction. 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, watchOS 26.5. An app may be able to determine ker

• 8.8 High severity

  Safari: Use After Free

  CVE-2026-28942May 11, 2026Apple

  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 S

• 7.5 High severity

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

  CVE-2026-28913May 11, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.

• 8.1 High severity

  The issue was addressed with improved input validation.

  CVE-2026-28907May 11, 2026Apple

  The issue was addressed with improved input validation. 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

• 8.8 High severity

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

  CVE-2026-28904May 11, 2026Apple

  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

• 8.8 High severity

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

  CVE-2026-28903May 11, 2026Apple

  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

• 8.8 High severity

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

  CVE-2026-28902May 11, 2026Apple

  The issue was addressed with improved memory handling. 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.

• 8.8 High severity

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

  CVE-2026-28901May 11, 2026Apple

  The issue was addressed with improved memory handling. 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.

• 8.8 High severity

  Safari: Use After Free

  CVE-2026-28883May 11, 2026Apple

  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 p

• 7.5 High severity

  The issue was addressed with improved input validation.

  CVE-2026-28860May 11, 2026Apple

  The issue 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 local attacker may be

• 8.8 High severity

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

  CVE-2026-28847May 11, 2026Apple

  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

• 7.5 High severity

  iOS and iPadOS: Stack-based Buffer Overflow

  CVE-2026-28846May 11, 2026Apple

  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

• 7.5 High severity

  iOS and iPadOS: Improper Authorization

  CVE-2026-28865Mar 25, 2026Apple

  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 attacke

• 8.8 High severity

  Safari: Out-of-bounds Read

  CVE-2026-28859Mar 25, 2026Apple

  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

• 7.8 High severity

  iOS and iPadOS: Out-of-bounds Write

  CVE-2026-20698Mar 25, 2026Apple

  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.

• 7.1 High severity

  iOS and iPadOS: Use After Free

  CVE-2026-20687Mar 25, 2026Apple

  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

• 7.8 High severity

  Apple Multiple Buffer Overflow Exploited

  CVE-2026-20700Feb 11, 2026AppleEPSS 1.65%

  A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. A

• 8.8 High severity

  iOS and iPadOS: Protection Mechanism Failure

  CVE-2026-20667Feb 11, 2026Apple

  A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, watchOS 26.3. An app may be able to break out of its sandbox.

• 7.5 High severity

  iOS and iPadOS: Uncontrolled Resource Consumption

  CVE-2026-20650Feb 11, 2026Apple

  A denial-of-service issue was addressed with improved validation. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker in a privileged network position may be able to perform denial-of-service a

• 7.5 High severity

  A logging issue was addressed with improved data redaction.

  CVE-2026-20649Feb 11, 2026Apple

  A logging issue was addressed with improved data redaction. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.8.2, macOS Tahoe 26.3, tvOS 26.3, watchOS 26.3. A user may be able to view sensitive user information.

• 7.1 High severity

  iOS and iPadOS: Exposure of Sensitive Information to an Unauthorized Actor

  CVE-2026-20641Feb 11, 2026Apple

  A privacy issue was addressed with improved checks. 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, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to identi

• 8.8 High severity

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

  CVE-2026-20635Feb 11, 2026Apple

  The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing maliciously crafted web content may lead to

• 7.1 High severity

  iOS and iPadOS: Improper Access Control

  CVE-2026-20628Feb 11, 2026Apple

  A permissions issue was addressed with additional restrictions. 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, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be ab

• 7.0 High severity

  iOS and iPadOS: Concurrent Execution using Shared Resource with Improper Synchronization

  CVE-2026-20617Feb 11, 2026Apple

  A race condition was addressed with improved state handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to gain root privileges.

• 7.8 High severity

  iOS and iPadOS: Out-of-bounds Read

  CVE-2026-20611Feb 11, 2026Apple

  An out-of-bounds access issue was addressed with improved bounds checking. 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, tvOS 26.3, visionOS 26.3, watchOS 26.3. Proce

• 7.5 High severity

  iOS and iPadOS: Protection Mechanism Failure

  CVE-2025-46290Feb 11, 2026Apple

  A logic issue was addressed with improved checks. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.2, visionOS 26.2, watchOS 26.2. A remote attacker may be able to cause a

• 8.8 High severity

  Apple Multiple Products Use-After-Free WebKit Exploited

  CVE-2025-43529Dec 17, 2025AppleEPSS 25.7%

  A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web conte

• 7.8 High severity

  iOS and iPadOS: Integer Overflow or Wraparound

  CVE-2025-46285Dec 12, 2025Apple

  An integer overflow was addressed by adopting 64-bit timestamps. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. An app may be a

• 8.8 High severity

  iOS and iPadOS: Out-of-bounds Write

  CVE-2025-43539Dec 12, 2025AppleEPSS 6.59%

  The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing a file may lead

• 5.5 Medium severity

  Apple Multiple Products Classic Buffer Overflow Exploited

  CVE-2025-43520Dec 12, 2025Apple

  A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicio