CVE-2007-2903
Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX)…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument. NOTE: it is not clear whether this issue crosses privilege boundaries.
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.
Exploit-DB1 entry
- Microsoft Office 2000 (OUACTRL.OCX 1.0.1.9) - Remote Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 3973dos, windowspublished 23 May 2007Verified
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
- 1 day later
· 1 day later
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 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 28.5% · top 1.9% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- http://shinnai.altervista.org/viewtopic.php?id=42&t_id=26 (opens in a new tab)x_refsource_MISCx_transferred
- http://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.html (opens in a new tab)x_refsource_MISCx_transferred
- office-ouactrl-bo(34473) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1018107 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 24118 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 36034 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.html (opens in a new tab)x_refsource_MISCx_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-2007-2895 (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-2007-2903)Record last updated .