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Vulnerability record · CVE-2009-0686 · published 1 April 2009

CVE-2009-0686: Trendmicro internet security vulnerability

Trendmicro · Internet Security

The TrendMicro Activity Monitor Module (tmactmon.sys) 2.52.0.1002 in Trend Micro Internet Pro 2008 and 2009, and Security Pro 2008 and 2009, allows local users to gain privileges via a crafted IRP in a METHOD_NEITHER IOCTL request to \Device\tmactmon that overwrites memory.

7.2 CVSS 2.0 High EPSS 0.80% · top 45.2% CWE-399 · CWE-399
7.2CVSS 2.0 base score
0.80%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

The TrendMicro Activity Monitor Module (tmactmon.sys) 2.52.0.1002 in Trend Micro Internet Pro 2008 and 2009, and Security Pro 2008 and 2009, allows local users to gain privileges via a crafted IRP in a METHOD_NEITHER IOCTL request to \Device\tmactmon that overwrites memory.

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://en.securitylab.ru/lab/PT-2009-09
http://milw0rm.com/sploits/2009-trendmicro_local_expl_0day.zip Exploit
http://www.securityfocus.com/archive/1/502314/100/0/threaded
http://www.securityfocus.com/bid/34304 Exploit
http://www.securitytracker.com/id?1021955
https://exchange.xforce.ibmcloud.com/vulnerabilities/49513
https://www.exploit-db.com/exploits/8322
http://en.securitylab.ru/lab/PT-2009-09
http://milw0rm.com/sploits/2009-trendmicro_local_expl_0day.zip Exploit
http://www.securityfocus.com/archive/1/502314/100/0/threaded
http://www.securityfocus.com/bid/34304 Exploit
http://www.securitytracker.com/id?1021955
https://exchange.xforce.ibmcloud.com/vulnerabilities/49513
https://www.exploit-db.com/exploits/8322

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-0686), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.