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CVE-2018-9193

24
FAUCET Score

CVE-2018-9193 describes a chain of vulnerabilities in FortiClient for Windows versions 6.0.5 and below, and 5.6.6, which can be exploited by a local user to achieve system privileges. This high-severity vulnerability (CVSS 7.8) requires local access and low privileges, but once exploited, grants high impact to confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for privilege escalation warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.0.4CPE matchmatch criteria
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 70th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

fortiguard.com / advisory/FG-IR-18-108
Vendor Advisory