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, allows local users to gain privileges via a crafted IRP in a METHOD_NEITHER IOCTL request to \Device\tmactmon…
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 0.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.80% probability · 56th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 30 March 2009
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- trendmicro/internet security
- Source
- cve@mitre.org
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://en.securitylab.ru/lab/PT-2009-09
- http://milw0rm.com/sploits/2009-trendmicro_local_expl_0day.zipExploit
- http://www.securityfocus.com/archive/1/502314/100/0/threaded
- http://www.securityfocus.com/bid/34304Exploit
- 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.zipExploit
- http://www.securityfocus.com/archive/1/502314/100/0/threaded
- http://www.securityfocus.com/bid/34304Exploit
- http://www.securitytracker.com/id?1021955
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49513
- https://www.exploit-db.com/exploits/8322
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.