What is CVE-2020-3886?

CVE-2020-3886 is a high-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 7.8/10. Published 2021-12-23.

How severe is CVE-2020-3886?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Apple macOS

CVE-2020-3886

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Use-After-Free

EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x — versions 10.13.6, 10.14.6

Weakness classification (CWE)

CWE-416 — Use After Free

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3886?: CVE-2020-3886 is a high-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 7.8/10. Published 2021-12-23.
How severe is CVE-2020-3886?: High severity. CVSS v3 base score is 7.8 out of 10.