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CVE-2007-3681

MediumPublished

The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1 allows local users to overwrite memory and execute arbitrary code...

Published: Jul 11, 2007
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Jul 10, 2007

Primary CVSS

6.6/ 10Medium

nvd · CVSS 2.0

AV:L/AC:M/Au:S/C:C/I:C/A:C

EPSS probability estimate

2.4%

Low · next 30 days

Percentile: 83.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1 allows local users to overwrite memory and execute arbitrary code via malformed Interrupt Request Packet (Irp) parameters.

Sources

WinPcap 4.0 - 'NPF.SYS' Local Privilege EscalationExploit
Mario Ballano BÃ¡rcena · windows · Jul 10, 2007

Responsible use

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