What is CVE-2019-8342?

CVE-2019-8342 is a high-severity vulnerability in Apple macOS, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2019-05-13.

How severe is CVE-2019-8342?

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

Vulnerability in Apple macOS

CVE-2019-8342

A Local Privilege Escalation in libqcocoa.dylib in Foxit Reader 3.1.0.0111 on macOS has been discovered due to an incorrect permission set.

Published 2019-05-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Apple macOS
Foxitsoftware Foxit Reader — versions 3.1.0.0111

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

www.foxitsoftware.com/support/security-bulletins.php (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-8342?: CVE-2019-8342 is a high-severity vulnerability in Apple macOS, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2019-05-13.
How severe is CVE-2019-8342?: High severity. CVSS v3 base score is 7.8 out of 10.