What is CVE-2016-8493?

CVE-2016-8493 is a high-severity vulnerability in Fortinet Forticlient, classified under CWE-264. CVSS score: 8.8/10. Published 2017-06-26.

How severe is CVE-2016-8493?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Fortinet Forticlient

CVE-2016-8493

In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability.

Published 2017-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.5th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.018 · change: +0.003

Affected products

Fortinet Forticlient — versions 5.4.1, 5.4.2
Fortinet Forticlient — versions FortiClient 5.4.2, 5.4.1

Weakness classification (CWE)

CWE-264

References

fortiguard.com/psirt/FG-IR-16-095 (Vendor Advisory)
www.securityfocus.com/bid/101682 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-8493?: CVE-2016-8493 is a high-severity vulnerability in Fortinet Forticlient, classified under CWE-264. CVSS score: 8.8/10. Published 2017-06-26.
How severe is CVE-2016-8493?: High severity. CVSS v3 base score is 8.8 out of 10.