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Case File

CVE-2021-1840

HIGH · CVSS 7.8 EPSS 0.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. See the original NVD description below for full technical details.

CVE
CVE-2021-1840
Severity
HIGH
CVSS
7.8
EPSS
0.34%

Original NVD Description

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.

Related CVEs

Other vulnerabilities affecting the same vendor(s)