How severe is CVE-2019-8770?

CVE-2019-8770 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 high, integrity none, and availability none.

Is CVE-2019-8770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8770?

CVE-2019-8770 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8770?

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

When was CVE-2019-8770 published?

CVE-2019-8770 was published on 2019-12-18 and last updated on 2026-06-17.

CVE-2019-8770

CVE-2019-8770 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% (55th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Mac Os X
Published: 2019-12-18
Last modified: 2026-06-17

Description

The issue was addressed with improved permissions logic. This issue is fixed in macOS Catalina 10.15. A malicious application may be able to access recent documents.

Frequently asked questions

What is CVE-2019-8770?: The issue was addressed with improved permissions logic. This issue is fixed in macOS Catalina 10.15. A malicious application may be able to access recent documents.
How severe is CVE-2019-8770?: CVE-2019-8770 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 high, integrity none, and availability none.
Is CVE-2019-8770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8770?: CVE-2019-8770 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8770 published?: CVE-2019-8770 was published on 2019-12-18 and last updated on 2026-06-17.

References

https://support.apple.com/HT210634

Affected products (1)

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

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