What is CVE-2017-13828?

CVE-2017-13828 is a medium-severity vulnerability in Apple Mac OS X. CVSS score: 5.5/10. Published 2017-11-13.

How severe is CVE-2017-13828?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple Mac OS X

CVE-2017-13828

An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "Fonts" component. It allows remote attackers to spoof the user interface via crafted text.

Published 2017-11-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000

Affected products

Apple Mac OS X

References

support.apple.com/HT208221 (Vendor Advisory)
www.securitytracker.com/id/1039710 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-13828?: CVE-2017-13828 is a medium-severity vulnerability in Apple Mac OS X. CVSS score: 5.5/10. Published 2017-11-13.
How severe is CVE-2017-13828?: Medium severity. CVSS v3 base score is 5.5 out of 10.