CVE-2021-30821

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CVSS 3.1

7.8 high

EPSS

1%p63

Published

Oct 28, 2021 (Oct 28, 2021)

Modified

Jun 17, 2026

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Vendors: apple
Products: mac os x, macos
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.1%)

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