An input validation issue was addressed with improved memory handling.

published 2020-10-27 6y ago modified 2026-06-17 4mo ago also EUVD-2019-17969

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

An input validation issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. An application may be able to gain elevated privileges.

Patch / fix

fixed in 1

Apple macOS 10.14

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Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Apple macOS

Classification

Weakness

CWE-20 Improper Input Validation

References

support.apple.com /en-us/HT209600
vendor-advisory

Sources

CVE List CVE-2019-8579
NVD CVE-2019-8579

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