CVE-2019-8717

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-12-18 · updated 2026-06-17
Weakness: CWE-787

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15, tvOS 13. An application may be able to execute arbitrary code with kernel privileges.

Affected products

macOS: before 10.15 — fixed in 10.15
Apple tvOS: before 13 — fixed in 13

How to fix

Upgrade to a fixed version: macOS 10.15; Apple tvOS 13. Check the vendor advisory for mitigations.

References

https://support.apple.com/HT210634
https://support.apple.com/kb/HT210722
https://support.apple.com/HT210634
https://support.apple.com/kb/HT210722

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