How severe is CVE-2019-8564?

CVE-2019-8564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-8564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8564?

CVE-2019-8564 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8564?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-8564 published?

CVE-2019-8564 was published on 2020-10-27 and last updated on 2026-06-17.

CVE-2019-8564

CVE-2019-8564 is a high-severity vulnerability in Apple Mac Os X with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Mac Os X
Published: 2020-10-27
Last modified: 2026-06-17

Description

A logic issue was addressed with improved validation. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. An attacker in a privileged network position can modify driver state.

Frequently asked questions

What is CVE-2019-8564?: A logic issue was addressed with improved validation. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. An attacker in a privileged network position can modify driver state.
How severe is CVE-2019-8564?: CVE-2019-8564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-8564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8564?: CVE-2019-8564 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-8564 published?: CVE-2019-8564 was published on 2020-10-27 and last updated on 2026-06-17.

References

https://support.apple.com/en-us/HT209600

Affected products (1)

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

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