No exploitation reported

CVE-2018-18367

No exploitation reported by the sources we read.

Published2019-04-25
WeaknessCWE-426

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Symantec Endpoint Protection Manager (SEPM) prior to and including 12.1 RU6 MP9 and prior to 14.2 RU1 may be susceptible to a DLL Preloading vulnerability, which is a type of issue that can occur when an application looks to call a DLL for execution and an attacker provides a malicious DLL to use instead.

Timeline

dates in UTC

2019-04-2520:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-18367?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-18367?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Symantec endpoint protection manager

Branch	Affected	Fixed in	Source
12.1	= 12.1	no fix published	NVD
14.x	= 14	no fix published	NVD
14.0	= 14.0.1	no fix published	NVD
14.1	= 14.1	no fix published	NVD
14.2	= 14.2	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

support.symantec.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-426read 2026-10-23
FIRST EPSSEPSS score1.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2019-04-25
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-18367?

Is CVE-2018-18367 actively exploited?

Active exploitation of CVE-2018-18367 has not been confirmed. Its EPSS score was 1.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-18367?

CVE-2018-18367 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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