CVE-2020-9966

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CVSS 3.1

7.8 high

EPSS

1%p68

Published

Dec 8, 2020 (Dec 8, 2020)

Modified

Jun 17, 2026

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. An application may be able to execute arbitrary code with kernel privileges.

Vendors: apple
Products: ipados, iphone os, mac os x, tvos, watchos
Weakness: CWE-125
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

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