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CVE-2007-4277

The Trend Micro AntiVirus scan engine before 8.550-1001, as used in Trend Micro PC-Cillin...

6.6 Medium

CVE-2007-4277 is a medium vulnerability (CVSS 6.6) in Trend Micro Pc-cillin Internet Security 2007, published October 30, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.

What does this mean?
Severity
6.6 MediumCVSS 2.0, NVD
Exploit chance
0.39%EPSS, 33rd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

The Trend Micro AntiVirus scan engine before 8.550-1001, as used in Trend Micro PC-Cillin Internet Security 2007, and Tmxpflt.sys 8.320.1004 and 8.500.0.1002, has weak permissions (Everyone:Write) for the \.\Tmfilter device, which allows local users to send arbitrary content to the device via the IOCTL functionality. NOTE: this can be leveraged for privilege escalation by exploiting a buffer overflow in the handler for IOCTL 0xa0284403.

Exploit likelihood

0.39%Down 0.6 points since Feb 4, 2022
90%50%10%1%

Affected products

What each source reports

NVD Score used6.6

The Trend Micro AntiVirus scan engine before 8.550-1001, as used in Trend Micro PC-Cillin Internet Security 2007, and Tmxpflt.sys 8.320.1004 and 8.500.0.1002, has weak permissions (Everyone:Write) for the \.\Tmfilter device, which allows local users to send arbitrary content to the device via the IOCTL functionality. NOTE: this can be leveraged for privilege escalation by exploiting a buffer overflow in the handler for IOCTL 0xa0284403.

Record
CVE-2007-4277
CVSS 2.0
6.6 MediumAV:L/AC:L/Au:N/C:N/I:C/A:C
Weakness
CWE-119, CWE-264
Updated
2026-11-02
CVE ListNo score

The Trend Micro AntiVirus scan engine before 8.550-1001, as used in Trend Micro PC-Cillin Internet Security 2007, and Tmxpflt.sys 8.320.1004 and 8.500.0.1002, has weak permissions (Everyone:Write) for the \.\Tmfilter device, which allows local users to send arbitrary content to the device via the IOCTL functionality. NOTE: this can be leveraged for privilege escalation by exploiting a buffer overflow in the handler for IOCTL 0xa0284403.

Record
CVE-2007-4277
Updated
2026-11-02
EUVDEUVD-2007-4260No score

The Trend Micro AntiVirus scan engine before 8.550-1001, as used in Trend Micro PC-Cillin Internet Security 2007, and Tmxpflt.sys 8.320.1004 and 8.500.0.1002, has weak permissions (Everyone:Write) for the \.\Tmfilter device, which allows local users to send arbitrary content to the device via the IOCTL functionality. NOTE: this can be leveraged for privilege escalation by exploiting a buffer overflow in the handler for IOCTL 0xa0284403.

Record
EUVD-2007-4260
Updated
2026-11-03
GitHub AdvisoriesGHSA-g975-6398-g6r8No score

The Trend Micro AntiVirus scan engine before 8.550-1001, as used in Trend Micro PC-Cillin...

The Trend Micro AntiVirus scan engine before 8.550-1001, as used in Trend Micro PC-Cillin Internet Security 2007, and Tmxpflt.sys 8.320.1004 and 8.500.0.1002, has weak permissions (Everyone:Write) for the \.\Tmfilter device, which allows local users to send arbitrary content to the device via the IOCTL functionality. NOTE: this can be leveraged for privilege escalation by exploiting a buffer overflow in the handler for IOCTL 0xa0284403.

Record
GHSA-g975-6398-g6r8
Weakness
CWE-119
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
aliases, references, titleGitHub Advisories
first indexedCVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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