CVE-2007-2903
Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-2903- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-2903- Updated
- 2026-11-02
EUVDEUVD-2007-2895 No score
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.
- Record
EUVD-2007-2895- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6ch6-7fx5-4326 No score
Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft...
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.
- Record
GHSA-6ch6-7fx5-4326- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Office 2000 (OUACTRL.OCX 1.0.1.9) - Remote Denial of Service | 2007-05-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, exploits, facts, references, title | Exploit-DB, GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-2903 is a medium vulnerability (CVSS 5.0) in Microsoft Office, published May 30, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 28.5%, the 98th percentile. No source names a fixed version.
References
shinnai.altervista.org/viewtopic.php?id=42&t_id=26
moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.html
exchange.xforce.ibmcloud.com/vulnerabilities/34473
securitytracker.com/id?1018107
securityfocus.com/bid/24118
osvdb.org/36034
shinnai.altervista.org/moaxb/20070523/ouactrltxt.html
nvd.nist.gov/vuln/detail/CVE-2007-2903
github.com/advisories/GHSA-6ch6-7fx5-4326