What is CVE-2018-16962?

CVE-2018-16962 is a high-severity vulnerability in Apple macOS, classified under Write-what-where Condition. CVSS score: 7.8/10. Published 2018-09-12.

How severe is CVE-2018-16962?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple macOS

CVE-2018-16962

Webroot SecureAnywhere before 9.0.8.34 on macOS mishandles access to the driver by a process that lacks root privileges.

Published 2018-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-123 — Write-what-where Condition

References

answers.webroot.com/Webroot/ukp.aspx (Vendor Advisory)
www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2018-009/ (Exploit, Third Party Advisory)
www.trustwave.com/Resources/SpiderLabs-Blog/CVE-2018-16962--Webroot-SecureAnywh… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16962?: CVE-2018-16962 is a high-severity vulnerability in Apple macOS, classified under Write-what-where Condition. CVSS score: 7.8/10. Published 2018-09-12.
How severe is CVE-2018-16962?: High severity. CVSS v3 base score is 7.8 out of 10.