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CVE-2020-9999

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iTunes for Windows…

High7.8EPSS 8.0%
Published
Updated
Reserved
Assigned by
apple

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iTunes for Windows 12.10.9. Processing a maliciously crafted text file may lead to arbitrary code execution.

Scores

CVSS scores of CVE-2020-9999, 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)
8.0% · top 5.2% of all CVEs (5 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.

Weakness

Affected products

References (7)

Sources

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

Badge for a README or a ticket

CVE-2020-9999 badge
[![CVE-2020-9999](https://trackcve.app/badge/CVE-2020-9999.svg)](https://trackcve.app/cve/CVE-2020-9999)

Record last updated .