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CVE-2019-8781

HighPublished

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15. An application may be able to execute...

Published: Dec 18, 2019
Updated: Aug 4, 2024
Assigning CNA: apple
Evidence observed: Aug 8, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS probability estimate

3.3%

Low · next 30 days

Percentile: 87.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15. An application may be able to execute arbitrary code with kernel privileges.

Sources

macOS-Kernel-ExploitExploit
macOS Kernel Exploit for CVE-2019-8781.
CVE-2019-8781-macOSPoC
Exploit POC for the bug CVE-2019-8781, found by @LinusHenze

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