Apple watchOS Apple Watch Operating System
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Recent Apple watchOS Security Advisories
| Advisory | Title | Published |
|---|---|---|
| 128068 | watchOS 26.6 - Apple Security Content | July 27, 2026 |
| 127119 | watchOS 26.5 - Apple Security Content | May 11, 2026 |
| 126798 | watchOS 26.4 - Apple Security Content | March 24, 2026 |
| 126352 | watchOS 26.3 - Apple Security Content | February 11, 2026 |
| 125890 | watchOS 26.2 - Apple Security Content | December 12, 2025 |
| 125639 | watchOS 26.1 - Apple Security Content | November 3, 2025 |
| 125116 | watchOS 26 - Apple Security Content | September 15, 2025 |
| 124155 | watchOS 11.6 - Apple Security Content | July 29, 2025 |
| 122722 | watchOS 11.5 - Apple Security Content | May 12, 2025 |
| 122376 | watchOS 11.4 - Apple Security Content | April 1, 2025 |
EOL Dates
Ensure that you are using a supported version of Apple watchOS. Here are some end of life, and end of support dates for Apple watchOS.
| Release | EOL Date | Status |
|---|---|---|
| 26 | - |
Active
|
| 11 | September 15, 2025 |
EOL
Apple watchOS 11 became EOL in 2025. |
| 10 | September 16, 2024 |
EOL
Apple watchOS 10 became EOL in 2024. |
| 9 | September 18, 2023 |
EOL
Apple watchOS 9 became EOL in 2023. |
| 8 | September 12, 2022 |
EOL
Apple watchOS 8 became EOL in 2022. |
| 7 | September 20, 2021 |
EOL
Apple watchOS 7 became EOL in 2021. |
| 6 | September 16, 2020 |
EOL
Apple watchOS 6 became EOL in 2020. |
| 5 | September 19, 2019 |
EOL
Apple watchOS 5 became EOL in 2019. |
| 4 | September 17, 2018 |
EOL
Apple watchOS 4 became EOL in 2018. |
| 3 | September 19, 2017 |
EOL
Apple watchOS 3 became EOL in 2017. |
By the Year
In 2026 there have been 191 vulnerabilities in Apple watchOS with an average score of 7.0 out of ten. Last year, in 2025 watchOS had 223 security vulnerabilities published. If vulnerabilities keep coming in at the current rate, it appears that number of security vulnerabilities in watchOS in 2026 could surpass last years number. However, the average CVE base score of the vulnerabilities in 2026 is greater by 0.30.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 191 | 7.04 |
| 2025 | 223 | 6.74 |
| 2024 | 171 | 6.41 |
| 2023 | 160 | 6.76 |
| 2022 | 150 | 7.24 |
| 2021 | 254 | 7.15 |
| 2020 | 207 | 7.46 |
| 2019 | 202 | 7.88 |
| 2018 | 57 | 7.54 |
It may take a day or so for new watchOS vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Apple watchOS Security Vulnerabilities
Apple OS Race Condition Enables Kernel Write fixed in iOS 26.6, macOS 15.7.8
CVE-2026-43805
9.8 - Critical
- July 27, 2026
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.
Race Condition
iOS/macOS Code Signing Bypass (CVE-2026-43813) Fixed in 26.6
CVE-2026-43813
7.1 - High
- July 27, 2026
A validation issue was addressed with improved input sanitization. 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. A maliciously crafted app may be able to bypass code signing enforcement.
Improper Input Validation
Apple OS State Management Data Leak (CVE-2026-64721) - fixed in 26.6
CVE-2026-64721
5.5 - Medium
- July 27, 2026
This issue was addressed through improved state management. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to access sensitive user data.
Improper Control of a Resource Through its Lifetime
SAFARI USE-AFTER-FREE CRASH VULN FIXED IN 26.6
CVE-2026-64783
8.8 - High
- July 27, 2026
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Dangling pointer
Apple OS Audio Framework Memory Corruption via Malicious Audio File (iOS 26.6+)
CVE-2026-43673
7.8 - High
- July 27, 2026
The issue was addressed with improved memory 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted audio file may corrupt process memory.
Buffer Overflow
Apple OS Use-After-Free before 26.6 (iOS & macOS)
CVE-2026-43799
9.8 - Critical
- July 27, 2026
A use after free issue was addressed with improved memory management. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Dangling pointer
Apple iOS 26.6: Persistent Device ID read via Permissions flaw
CVE-2026-64741
5.5 - Medium
- July 27, 2026
A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.6 and iPadOS 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to read a persistent device identifier.
Information Disclosure
Apple OS ImageProcessor Memory Corruption (CVE-2026-64716) before 26.6
CVE-2026-64716
7.8 - High
- July 27, 2026
The issue was addressed with improved memory 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted image may corrupt process memory.
Buffer Overflow
Safari Memory Corruption Fixed in 26.6 (iOS, macOS, watchOS, visionOS)
CVE-2026-64757
8.8 - High
- July 27, 2026
A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Buffer Overflow
Apple OSes UAF Fix in 26.6
CVE-2026-64700
9.8 - Critical
- July 27, 2026
A use after free issue was addressed with improved memory management. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Dangling pointer
Race Condition in Apple OS 26.6 Can Cause System Crash
CVE-2026-64720
9.8 - Critical
- July 27, 2026
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.
Race Condition
iOS 26.6 Authorization flaw allows contact addition without permission
CVE-2026-64746
9.8 - Critical
- July 27, 2026
An authorization issue was addressed with improved validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. An app may be able to add contacts without user authorization.
AuthZ
Apple iOS/macOS Permission Fault Enabling Fingerprinting, fixed 26.6
CVE-2026-43730
9.8 - Critical
- July 27, 2026
A permissions issue was addressed with additional restrictions. 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.
Information Disclosure
Apple OS NFS Client Buffer Overflow Kernel Mem Corruption, Fixed 26.6
CVE-2026-28931
8.8 - High
- July 27, 2026
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.
Classic Buffer Overflow
Apple OS integer overflow: vulnerable pre-26.6 on iOS, iPadOS, macOS, tvOS
CVE-2026-64766
7.8 - High
- July 27, 2026
An integer overflow was addressed with improved input validation. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
Integer Overflow or Wraparound
Apple iOS/macOS 26.6: OOB Write Fixed Remote Attacker Termination Risk
CVE-2026-43803
9.8 - Critical
- July 27, 2026
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to cause unexpected system termination.
Memory Corruption
Apple OS 26.6 Physical Proximity Memory Corruption
CVE-2026-64726
9.8 - Critical
- July 27, 2026
The issue was addressed with improved memory handling. 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 attacker in physical proximity may be able to corrupt process memory.
Buffer Overflow
Apple iOS 26.6 UseAfterFree Fixed in 26.6
CVE-2026-43814
9.8 - Critical
- July 27, 2026
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.
Dangling pointer
Apple Safari UI Spoofing via Frame Content (fixed in 26.6)
CVE-2026-64730
6.5 - Medium
- July 27, 2026
The issue was addressed with improved UI. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website that frames malicious content may lead to UI spoofing.
User Interface (UI) Misrepresentation of Critical Information
Memory Corruption in Apple OS Media Decoder (Fixed iOS 26.6, macOS 15.7.8)
CVE-2026-43711
7.8 - High
- July 27, 2026
A memory corruption issue was addressed with improved memory 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted video file may lead to unexpected app termination.
Buffer Overflow
Apple OS Use-After-Free before 26.6 (iOS, macOS)
CVE-2026-43822
9.8 - Critical
- July 27, 2026
A use after free issue was addressed with improved memory management. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Dangling pointer
Apple OS Buffer Overflow CVE-2026-64747 Fixed in 26.6
CVE-2026-64747
7.8 - High
- July 27, 2026
A buffer overflow was addressed with improved size validation. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to execute arbitrary code with kernel privileges.
Classic Buffer Overflow
Apple OS Kernel Use After Free, Fixed in iOS 26.6
CVE-2026-64751
9.8 - Critical
- July 27, 2026
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, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.
Dangling pointer
Apple iOS use-after-free causing crash before 26.6, fixed in 26.6
CVE-2026-64729
9.8 - Critical
- July 27, 2026
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, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Dangling pointer
Safari 26.6 Improved Access Restrictions Mandate Strict Sandbox Isolation
CVE-2026-43821
6.5 - Medium
- July 27, 2026
An access issue was addressed with improved access restrictions. This issue is fixed in Safari 26.6, 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 read files outside of its sandbox.
Authorization
Apple Safari 26.6: Visited Link Exposure via Referral Check
CVE-2026-64713
8.1 - High
- July 27, 2026
This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited a given link.
Side Channel Attack
Apple OSes OOB Write, Fixed 26.6; DoS Risk
CVE-2026-64725
7.1 - High
- July 27, 2026
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause a denial-of-service.
Memory Corruption
Apple OS OOB Read before 26.6 may Cause Unexpected Termination
CVE-2026-43817
5.5 - Medium
- July 27, 2026
An out-of-bounds read 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, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Out-of-bounds Read
Apple OS 26.6 Sensitive Data Leak Vulnerability
CVE-2026-43801
5.5 - Medium
- July 27, 2026
This issue was addressed with improved checks. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to access sensitive user data.
Information Disclosure
Apple OS OOB Write Vulnerability; Fixed in iOS 26.6, macOS Sequoia 15.7.8
CVE-2026-64764
7.8 - High
- July 27, 2026
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
Memory Corruption
Apple OS Integer Overflow Crash Fixed in 26.6
CVE-2026-43769
9.8 - Critical
- July 27, 2026
An integer overflow was addressed with improved input validation. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Integer Overflow or Wraparound
Apple OS Fingerprint Exfiltration Vulnerability Fixed in 26.6
CVE-2026-64733
9.8 - Critical
- July 27, 2026
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.
Information Disclosure
Apple OS 26.6: Kernel Memory Disclosure via App
CVE-2026-64709
5.5 - Medium
- July 27, 2026
The issue was addressed with improved memory 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to disclose kernel memory.
Information Disclosure
Apple iOS 26.6 Integer Overflow Allows Sandbox Escape
CVE-2026-28973
8.6 - High
- July 27, 2026
An integer overflow was addressed with improved input validation. 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. A malicious app may be able to break out of its sandbox.
Integer Overflow or Wraparound
Apple OS OOB Write in Media Stream (iOS 26.6+)
CVE-2026-43744
5.5 - Medium
- July 27, 2026
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing an audio stream in a maliciously crafted media file may terminate the process.
Memory Corruption
Apple iOS 26.6 Info Disclosure Fixed by Code Removal
CVE-2026-43800
5.5 - Medium
- July 27, 2026
An information disclosure issue was addressed by removing the vulnerable code. 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 access sensitive user data.
Information Disclosure
Integer Overflow in Apple OS File Processor, fixed iOS 26.6, macOS 15.7.8
CVE-2026-64765
7.8 - High
- July 27, 2026
An integer overflow was addressed with improved input validation. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.
Integer Overflow or Wraparound
Apple OSes OOB Write Fixed in 26.6 (iOS, iPadOS, macOS, etc.)
CVE-2026-43816
5.5 - Medium
- July 27, 2026
An out-of-bounds write issue 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, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Memory Corruption
Apple iOS, iPadOS, macOS DoS via Memory Handling (fixed 26.6)
CVE-2026-64724
5.5 - Medium
- July 27, 2026
The issue was addressed with improved memory 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An attacker on the local network may be able to cause a denial-of-service.
Resource Exhaustion
Apple OS 26.6 UAF in Memory Mgmt Causes Crash
CVE-2026-28928
9.8 - Critical
- July 27, 2026
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.
Dangling pointer
Safari 26.6: iframe sandbox validation flaw
CVE-2026-64728
6.5 - Medium
- July 27, 2026
A permissions issue was addressed with improved validation. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Maliciously crafted web content may violate iframe sandboxing policy.
Protection Mechanism Failure
Apple iOS/macOS Data Exposure (fixed 26.6)
CVE-2026-43796
5.5 - Medium
- July 27, 2026
This issue was addressed with improved data protection. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to access sensitive user data.
Information Disclosure
Apple iOS/macOS Buffer Overflow via Malicious Accessory (fixed 26.5.2)
CVE-2026-43807
9.8 - Critical
- July 27, 2026
A buffer overflow was addressed with improved bounds checking. This issue is fixed in 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. A malicious accessory may be able to cause unexpected app termination.
Classic Buffer Overflow
Apple OS Integer Overflow in Texture Processing (Prior to 26.6)
CVE-2026-43780
7.8 - High
- July 27, 2026
An integer overflow was addressed with improved input validation. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted texture may lead to unexpected app termination.
Integer Overflow or Wraparound
Apple OS UI State Management Flaw (iOS 26.6+, macOS 15.7.8)
CVE-2026-64735
6.5 - Medium
- July 27, 2026
An inconsistent user interface issue was addressed with improved state management. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to bypass network filters.
User Interface (UI) Misrepresentation of Critical Information
Apple OS Input Sanitization Flaw Exposes Data (fixed iOS 26.6+, macOS 15.7.8+)
CVE-2026-43714
5.5 - Medium
- July 27, 2026
The issue was addressed with improved input sanitization. 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, visionOS 26.6, watchOS 26.6. A malicious app may be able to access protected user data.
Improper Input Validation
Out-of-bounds Access in Safari v26.6 Fixed
CVE-2026-64719
8.1 - High
- July 27, 2026
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Out-of-bounds Read
App Crash via Malformed File on Apple OS < 26.6
CVE-2026-64758
7.8 - High
- July 27, 2026
The issue was addressed with improved bounds checks. 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. Processing a maliciously crafted file may lead to unexpected app termination.
Buffer Overflow
Apple OS OOB Write -> App Crash fixed in 26.6
CVE-2026-64739
8.8 - High
- July 27, 2026
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An attacker may be able to cause unexpected app termination.
Memory Corruption
Apple OS type confusion in image handling leads to DoS
CVE-2026-64693
5.5 - Medium
- July 27, 2026
A type confusion issue was addressed with improved checks. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted image may lead to a denial-of-service.
Object Type Confusion
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