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Vulnerability record · CVE-2018-6234 · published 25 May 2018

CVE-2018-6234: Trendmicro antivirus\+ out-of-bounds read vulnerability

Trendmicro · Antivirus\+

An Out-of-Bounds Read Information Disclosure vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to disclose sensitive information on vulnerable installations due to a flaw within processing of IOCTL 0x222814 by the tmnciesc.sys driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

5.5 CVSS 3.0 Medium EPSS 0.69% · top 49.3% CWE-125 · Out-of-bounds readCWE-200 · Information exposure
5.5CVSS 3.0 base score, v2 2.1
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An Out-of-Bounds Read Information Disclosure vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to disclose sensitive information on vulnerable installations due to a flaw within processing of IOCTL 0x222814 by the tmnciesc.sys driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://esupport.trendmicro.com/en-us/home/pages/technical-support/1119591.aspx MitigationVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-18-268/ Third Party AdvisoryVDB Entry
https://esupport.trendmicro.com/en-us/home/pages/technical-support/1119591.aspx MitigationVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-18-268/ Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2018-6234), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.