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Known vulnerabilities in Apple watchOS

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CVE Summary Score Published
CVE-2026-64739 An out-of-bounds write issue was addressed with improved bounds checking 8.8 High Jul 27, 2026
CVE-2026-64742 This issue was addressed by using HTTPS when sending information over the network 6.5 Medium Jul 27, 2026
CVE-2026-43759 An authorization issue was addressed with improved state management 5.5 Medium Jul 27, 2026
CVE-2026-64754 An out-of-bounds write issue was addressed with improved bounds checking 5.5 Medium Jul 27, 2026
CVE-2026-43758 An authorization issue was addressed with improved state management 5.5 Medium Jul 27, 2026
CVE-2026-64743 An authorization issue was addressed with improved state management 6.5 Medium Jul 27, 2026
CVE-2026-64692 An out-of-bounds read was addressed with improved bounds checking 7.1 High Jul 27, 2026
CVE-2026-43723 A path handling issue was addressed with improved validation 7.8 High Jul 27, 2026
CVE-2026-64718 A use-after-free issue was addressed with improved memory management 5.5 Medium Jul 27, 2026
CVE-2026-64734 The issue was addressed with improved checks 5.5 Medium Jul 27, 2026
CVE-2026-64763 An out-of-bounds write issue was addressed by removing the vulnerable code 7.8 High Jul 27, 2026
CVE-2026-43739 An out-of-bounds write issue was addressed with improved bounds checking 5.5 Medium Jul 27, 2026
CVE-2026-43810 The issue was addressed with improved memory handling 9.8 Critical Jul 27, 2026
CVE-2026-64775 A memory initialization issue was addressed with improved memory handling 9.8 Critical Jul 27, 2026
CVE-2026-43778 A use after free issue was addressed with improved memory management 9.8 Critical Jul 27, 2026
CVE-2026-43700 A cross-origin issue was addressed with improved tracking of security origins 6.5 Medium Jun 29, 2026
CVE-2026-43720 A use-after-free issue was addressed with improved memory management 6.5 Medium Jun 29, 2026
CVE-2026-39868 This issue was addressed with improved input validation 9.1 Critical Jun 29, 2026
CVE-2026-43721 This issue was addressed through improved state management 6.5 Medium Jun 29, 2026
CVE-2026-39872 The issue was addressed with improved memory handling 6.5 Medium Jun 29, 2026
CVE-2026-43717 A use-after-free issue was addressed with improved memory management 6.5 Medium Jun 29, 2026
CVE-2026-43740 The issue was addressed with improved memory handling 6.5 Medium Jun 29, 2026
CVE-2026-43701 The issue was addressed with improved checks 7.1 High Jun 29, 2026
CVE-2026-43663 The issue was addressed with improved memory handling 6.5 Medium Jun 29, 2026
CVE-2026-43726 A use-after-free issue was addressed with improved memory management 6.5 Medium Jun 29, 2026

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