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CVE-2020-9904A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina…

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. An application may be able to execute arbitrary code with kernel privileges.

Timeline

  1. ID reserved

    By apple

  2. · 8 months later

    Published

  3. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2020-9904, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.4% · top 27% of all CVEs (12 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Apple · iOS

    • affected unspecified – < iOS 13.6 and iPadOS 13.6

  • Apple · macOS

    • affected unspecified – < macOS Catalina 10.15.6

  • Apple · tvOS

    • affected unspecified – < tvOS 13.4.8

  • Apple · watchOS

    • affected unspecified – < watchOS 6.2.8

References

References4

Sources

The same CVE in the primary databases and aggregators, to check against.

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[![CVE-2020-9904](https://cveledger.app/badge/CVE-2020-9904.svg)](https://cveledger.app/cve/CVE-2020-9904)

Record last updated .