CVE-2019-8855

Name: CVE-2019-8855
Creator: NVD / NIST
Published: 2020-10-27T21:15:13.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2019-8855 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Catalina 10.15. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Catalina 10.15. A malicious application may be able to access restricted files.

Metrics

CVSS 3.1

6.3/10

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

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	< 10.15

References

https://support.apple.com/en-us/HT210634Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT210634Release Notes, Vendor Advisory

Timeline

Published: Oct 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8855?

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Catalina 10.15. A malicious application may be able to access restricted files.

How severe is CVE-2019-8855?

CVE-2019-8855 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8855?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-8855?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST