The TrendMicro Activity Monitor Module (tmactmon.sys) 2.52.0.1002 in Trend Micro Internet…
Priority LOW 33CWE-399Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
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.
Why it matters now
EPSS 0.00798 56th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trendmicro:internet_security:2008:*:*:*:*:*:*:* | 2008 | Vulnerable | Trendmicro |
| cpe:2.3:a:trendmicro:internet_security:2008:-:pro:*:*:*:*:* | 2008 | Vulnerable | Trendmicro |
| cpe:2.3:a:trendmicro:internet_security:2009:*:*:*:*:*:*:* | 2009 | Vulnerable | Trendmicro |
| cpe:2.3:a:trendmicro:internet_security:2009:-:pro:*:*:*:*:* | 2009 | Vulnerable | Trendmicro |
- cpe:2.3:a:trendmicro:internet_security:2008:*:*:*:*:*:*:* Versions 2008 Vulnerable ·Trendmicro
- cpe:2.3:a:trendmicro:internet_security:2008:-:pro:*:*:*:*:* Versions 2008 Vulnerable ·Trendmicro
- cpe:2.3:a:trendmicro:internet_security:2009:*:*:*:*:*:*:* Versions 2009 Vulnerable ·Trendmicro
- cpe:2.3:a:trendmicro:internet_security:2009:-:pro:*:*:*:*:* Versions 2009 Vulnerable ·Trendmicro
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-0686
- 2026-10-03 Alias added: GHSA-gfhg-7w8w-j26f
References
More Trendmicro Internet Security vulnerabilities
- TI-2024-15921 Uncontrolled search path in Trend Micro Security uiAirSupport CVSS 3.1HIGH 7.8
- TI-2010-03048 The extSetOwner function in the UfProxyBrowserCtrl ActiveX control (UfPBCtrl.dll) in… CVSS 2.0HIGH 9.3
- TI-2018-02644 Code injection in Trend Micro Maximum Security CVSS 3.0CRITICAL 9.8
- TI-2018-12952 Untrusted search path in Trend Micro Security CVSS 3.1HIGH 7.8
- TI-2018-07422 Deserialization of untrusted data in Trend Micro Security CVSS 3.0HIGH 7.8
- TI-2018-04587 Buffer overflow in Trend Micro Maximum Security CVSS 3.0HIGH 7.8
Sources
- CVE-2009-0686 · CVE Program
- CVE-2009-0686 · NVD
- FIRST EPSS
- GHSA-gfhg-7w8w-j26f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences