A DLL side-loading vulnerability in Trend Micro OfficeScan 11.0 SP1 and XG could allow an authenticated attacker to gain code execution and…

published 2019-07-26 7y ago modified 2026-06-17 4mo ago also EUVD-2019-18866

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

A DLL side-loading vulnerability in Trend Micro OfficeScan 11.0 SP1 and XG could allow an authenticated attacker to gain code execution and terminate the product's process - disabling endpoint protection. The attacker must have already gained authentication and have local access to the vulnerable system.

Patch / fix

links 1

success.trendmicro.com/solution/1123045 advisory

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Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Trend Micro Trend Micro OfficeScan

Classification

Weakness

CWE-426 Untrusted Search Path

References

success.trendmicro.com /solution/1123045
patch, vendor-advisory
nsslabs.com /blog-posts/2019/7/24/your-advanced-endpoint-protection-aep-product-protects-your-computer-but-can-it-protect-
third-party-advisory

Sources

CVE List CVE-2019-9492
NVD CVE-2019-9492

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