For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released January 22, 2024
Apple Neural Engine
Available for devices with Apple Neural Engine: Apple Watch Series 9 and Apple Watch Ultra 2
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: The issue was addressed with improved memory handling.
CVE-2024-23212: Ye Zhang of Baidu Security
CoreCrypto
Available for: Apple Watch Series 4 and later
Impact: An attacker may be able to decrypt legacy RSA PKCS#1 v1.5 ciphertexts without having the private key
Description: A timing side-channel issue was addressed with improvements to constant-time computation in cryptographic functions.
CVE-2024-23218: Clemens Lang
Kernel
Available for: Apple Watch Series 4 and later
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: The issue was addressed with improved memory handling.
CVE-2024-23208: fmyy(@binary_fmyy) and lime From TIANGONG Team of Legendsec at QI-ANXIN Group
Mail Search
Available for: Apple Watch Series 4 and later
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with improved redaction of sensitive information.
CVE-2024-23207: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab), and Ian de Marcellus
NSSpellChecker
Available for: Apple Watch Series 4 and later
Impact: An app may be able to access sensitive user data
Description: A privacy issue was addressed with improved handling of files.
CVE-2024-23223: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab)
Safari
Available for: Apple Watch Series 4 and later
Impact: A user's private browsing activity may be visible in Settings
Description: A privacy issue was addressed with improved handling of user preferences.
CVE-2024-23211: Mark Bowers
Shortcuts
Available for: Apple Watch Series 4 and later
Impact: A shortcut may be able to use sensitive data with certain actions without prompting the user
Description: The issue was addressed with additional permissions checks.
CVE-2024-23204: Jubaer Alnazi (@h43tjubaer)
Shortcuts
Available for: Apple Watch Series 4 and later
Impact: An app may be able to bypass certain Privacy preferences
Description: A privacy issue was addressed with improved handling of temporary files.
CVE-2024-23217: Kirin (@Pwnrin)
TCC
Available for: Apple Watch Series 4 and later
Impact: An app may be able to access user-sensitive data
Description: An issue was addressed with improved handling of temporary files.
CVE-2024-23215: Zhongquan Li (@Guluisacat)
Time Zone
Available for: Apple Watch Series 4 and later
Impact: An app may be able to view a user's phone number in system logs
Description: This issue was addressed with improved redaction of sensitive information.
CVE-2024-23210: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab)
WebKit
Available for: Apple Watch Series 4 and later
Impact: A maliciously crafted webpage may be able to fingerprint the user
Description: An access issue was addressed with improved access restrictions.
WebKit Bugzilla: 262699
CVE-2024-23206: an anonymous researcher
WebKit
Available for: Apple Watch Series 4 and later
Impact: Processing web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 266619
CVE-2024-23213: Wangtaiyu of Zhongfu info
Vulmon