VULNERABILITY INTELLIGENCE

CVE-2020-3863

CVSS score7.8 HIGH

EPSS probability1.33%

CISA KEVNot currently listed

Published2020-10-27

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to execute arbitrary code with system privileges.

Weakness classification

nvd@nist.gov: CWE-787

Primary references

product-security@apple.com — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory