CVE-2021-1864

CVE-2021-1864: vulnerability in Apple watchOS

Published 08 Sep 2021 · Updated 03 Aug 2024

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 2.2%

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An attacker with JavaScript execution may be able to execute arbitrary code.

Affected products

Apple · iOS and iPadOS Apple · tvOS Apple · watchOS

Related CVEs — Apple watchOS

In the same product, most dangerous first.

CVE-2021-30860HIGHCVE-2021-30860EPSS 76.0%KEV CVE-2025-43300CRITICALCVE-2025-43300EPSS 65.2%KEV CVE-2023-41064HIGHCVE-2023-41064EPSS 53.4%KEV CVE-2023-32434HIGHCVE-2023-32434EPSS 51.5%KEV CVE-2023-28205HIGHCVE-2023-28205EPSS 27.1%KEV CVE-2026-86950HIGHCVE-2026-86950EPSS 26.2%KEV

References

https://support.apple.com/en-us/HT212317 https://support.apple.com/en-us/HT212323 https://support.apple.com/en-us/HT212324