How severe is CVE-2019-8589?

CVE-2019-8589 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-8589 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8589?

CVE-2019-8589 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8589?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-8589 published?

CVE-2019-8589 was published on 2019-12-18 and last updated on 2026-06-17.

CVE-2019-8589

CVE-2019-8589 is a medium-severity vulnerability in Apple Mac Os X with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Mac Os X
Published: 2019-12-18
Last modified: 2026-06-17

Description

This issue was addressed with improved checks. This issue is fixed in macOS Mojave 10.14.5. A malicious application may bypass Gatekeeper checks.

Frequently asked questions

What is CVE-2019-8589?: This issue was addressed with improved checks. This issue is fixed in macOS Mojave 10.14.5. A malicious application may bypass Gatekeeper checks.
How severe is CVE-2019-8589?: CVE-2019-8589 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-8589 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8589?: CVE-2019-8589 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8589?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8589 published?: CVE-2019-8589 was published on 2019-12-18 and last updated on 2026-06-17.

References

https://support.apple.com/HT210119

Affected products (1)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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