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Known vulnerabilities in Apple watchOS

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CVE Summary Score Published
CVE-2026-20690 An out-of-bounds access issue was addressed with improved bounds checking 6.5 Medium Mar 25, 2026
CVE-2026-28865 An authentication issue was addressed with improved state management 7.5 High Mar 25, 2026
CVE-2026-28878 A privacy issue was addressed by removing sensitive data 6.5 Medium Mar 25, 2026
CVE-2026-28859 The issue was addressed with improved memory handling 4.3 Medium Mar 25, 2026
CVE-2026-28822 A type confusion issue was addressed with improved memory handling 6.2 Medium Mar 25, 2026
CVE-2026-28863 A permissions issue was addressed with additional restrictions 6.5 Medium Mar 25, 2026
CVE-2026-28879 A use-after-free issue was addressed with improved memory management 6.5 Medium Mar 25, 2026
CVE-2026-28856 The issue was addressed with improved authentication 4.6 Medium Mar 25, 2026
CVE-2026-20637 A use after free issue was addressed with improved memory management 6.2 Medium Mar 25, 2026
CVE-2026-28877 An authorization issue was addressed with improved state management 5.5 Medium Mar 25, 2026
CVE-2026-20698 The issue was addressed with improved memory handling 5.5 Medium Mar 25, 2026
CVE-2026-28882 This issue was addressed with improved checks 4.0 Medium Mar 25, 2026
CVE-2026-28870 An information leakage was addressed with additional validation 5.5 Medium Mar 25, 2026
CVE-2026-28867 This issue was addressed with improved authentication 6.2 Medium Mar 25, 2026
CVE-2026-20609 The issue was addressed with improved memory handling 4.4 Medium Feb 11, 2026
CVE-2026-20649 A logging issue was addressed with improved data redaction 5.5 Medium Feb 11, 2026
CVE-2026-20700 Exploited Apple Multiple Buffer Overflow Vulnerability 7.8 High Feb 11, 2026
CVE-2026-20628 A permissions issue was addressed with additional restrictions 7.1 High Feb 11, 2026
CVE-2026-20635 The issue was addressed with improved memory handling 4.3 Medium Feb 11, 2026
CVE-2025-46301 The issue was addressed with improved bounds checks 5.7 Medium Feb 11, 2026
CVE-2026-20654 The issue was addressed with improved memory handling 5.5 Medium Feb 11, 2026
CVE-2025-46290 A logic issue was addressed with improved checks 7.5 High Feb 11, 2026
CVE-2025-46300 The issue was addressed with improved bounds checks 5.7 Medium Feb 11, 2026
CVE-2026-20634 The issue was addressed with improved memory handling 5.5 Medium Feb 11, 2026
CVE-2026-20675 The issue was addressed with improved bounds checks 7.8 High Feb 11, 2026

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