What is CVE-2017-7138?

CVE-2017-7138 is a low-severity vulnerability in Apple Mac OS X, classified under Information Disclosure. CVSS score: 3.3/10. Published 2017-10-23.

How severe is CVE-2017-7138?

Low severity. CVSS v3 base score is 3.3 out of 10.

Information disclosure in Apple Mac OS X

CVE-2017-7138

An issue was discovered in certain Apple products. macOS before 10.13 is affected. The issue involves the "Directory Utility" component. It allows local users to discover the Apple ID of the computer's owner.

Vulnerability class: Information Disclosure

Published 2017-10-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Apple Mac OS X

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/100993 (VDB Entry, Third Party Advisory, vdb-entry)
support.apple.com/HT208144 (Vendor Advisory)
www.securitytracker.com/id/1039427 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-7138?: CVE-2017-7138 is a low-severity vulnerability in Apple Mac OS X, classified under Information Disclosure. CVSS score: 3.3/10. Published 2017-10-23.
How severe is CVE-2017-7138?: Low severity. CVSS v3 base score is 3.3 out of 10.