CVE-2020-27936

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 2, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-27936: High severity, CVSS 7.1 | Vulnix