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Fencer Vulns
high 7.2

CVE-2009-0686 json

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…

published 2009-04-01 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0686

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-8322)
  2. Published

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-8322 Trend Micro Internet Security Pro 2009 - Priviliege Escalation local, 2009-03-30
  • securityfocus.com http://www.securityfocus.com/bid/34304 referenced PoC, tagged "exploit" by a source, unverified
  • milw0rm.com http://milw0rm.com/sploits/2009-trendmicro_local_expl_0day.zip referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.