CVE-2018-18367
CWE-426Published: April 25, 2019· Updated: Jun 17, 2026
Official 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.
Technical Analysis
CVE-2018-18367 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-426)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-18367 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts