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High severity7.8NVD Advisory· Published Dec 8, 2020· Updated Jun 17, 2026

CVE-2020-9966

CVE-2020-9966

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

14
  • Apple Inc./tvOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: = 14.0
    • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.0
  • Apple Inc./watchOSv53 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)range: = 7.0
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.0
  • Apple Inc./macOSv52 versions
    unspecified+ 1 more
    • (no CPE)range: unspecified
    • (no CPE)range: = 11.0.1
  • Apple Inc./iOSllm-fuzzy
    Range: = 14.0
  • Apple Inc./Ipadosllm-fuzzy2 versions
    = 14.0+ 1 more
    • (no CPE)range: = 14.0
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.0
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <14.0
  • Apple Inc./Mac OS X
    cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
    Range: <11.0.1
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified

Patches

Vulnerability mechanics

References

5

News mentions

0

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