What’s Vulnerable › Vulnerabilities
CVE-2019-8858
- Severity: medium (CVSS 5.3 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
A logic issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006. A user who shares their screen may not be able to end screen sharing.
Affected products
- macOS: 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
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