What’s Vulnerable › Vulnerabilities

CVE-2019-8509

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-27 · updated 2026-06-17

Description

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Catalina 10.15. A malicious application may be able to elevate privileges.

Affected products

• macOS: from 10.13.6 before 10.15.1 — fixed in 10.15.1

How to fix

Upgrade to a fixed version: macOS 10.15.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT210634
• https://support.apple.com/en-us/HT210722
• https://support.apple.com/en-us/HT210634
• https://support.apple.com/en-us/HT210722

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