CVE-2007-3681

The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1 allows...

6.6 MediumPublic exploit

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.

Exploit likelihood

2.38%Down 3.2 points since Feb 4, 2022

What each source reports

NVD Score used 6.6

Record: CVE-2007-3681
CVSS 2.0: 6.6 MediumAV:L/AC:M/Au:S/C:C/I:C/A:C
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-3681
Updated: 2026-11-02

EUVDEUVD-2007-3665 No score

Record: EUVD-2007-3665
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c5xf-xf94-3jc3 No score

The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1 allows...

Record: GHSA-c5xf-xf94-3jc3
Updated: 2026-11-02

Affected products

winpcap

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	WinPcap 4.0 - 'NPF.SYS' Local Privilege Escalation	2007-07-10

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	aliases, exploits, facts, references, title	Exploit-DB, GitHub Advisories
Nov 2, 2026	first indexed	CVE List, NVD

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

In short

CVE-2007-3681 is a medium vulnerability (CVSS 6.6) in Winpcap, published July 11, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.38%, the 83rd percentile. No source names a fixed version.

References

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