CVE-2020-9921

HIGH

macOS < 10.15.6 - Memory Corruption Leading to Privilege Escalation

Title source: llm
STIX 2.1

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with system privileges.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT211289

Scores

CVSS v3 7.0
EPSS 0.0022
EPSS Percentile 11.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-367 CWE-787
Status published
Products (1)
apple/mac_os_x < 10.15.6
Published Oct 22, 2020
Tracked Since Feb 18, 2026