What is CVE-2019-8539?

CVE-2019-8539 is a high-severity vulnerability in Apple macOS. CVSS score: 7.8/10. Published 2020-10-27.

How severe is CVE-2019-8539?

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

Vulnerability in Apple macOS

CVE-2019-8539

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. A malicious application may be able to execute arbitrary code with system privileges.

EPSS: 0.012 (65.0th 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

References

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

Frequently asked questions

What is CVE-2019-8539?: CVE-2019-8539 is a high-severity vulnerability in Apple macOS. CVSS score: 7.8/10. Published 2020-10-27.
How severe is CVE-2019-8539?: High severity. CVSS v3 base score is 7.8 out of 10.