CVE-2007-3681
The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1 allows local users to overwrite memory and…
- 6.6MediumCVSS base score
- 2.4%Exploitation in 30 daysEPSS · top 16% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- WinPcap 4.0 - 'NPF.SYS' Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 4165local, windowspublished 10 Jul 2007Verified
References tagged exploit1 reference
- 4165 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 17 years later
· 17 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.6 | AV:L/AC:M/Au:S/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.6.
Affected products
n/a
- affected n/a
References
12
- 1018350 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- winpcap-npf-code-execution(35309) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.winpcap.org/misc/changelog.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
- 4165 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 25982 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 37889 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20070709 WinPcap NPF.SYS Local Privilege Escalation Vulnerability (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- 24829 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20070709 WinPcap NPF.SYS Privilege Elevation Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20070710 Re: WinPcap NPF.SYS Privilege Elevation Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20070710 Re: Re: WinPcap NPF.SYS Privilege Elevation Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- ADV-2007-2468 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2007-3665 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2007-3681)Record last updated .