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
Published May 30, 2007
5.0
MEDIUMCVSS 2.0
EPSS 28.51%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 28.51% (0.28510) | 98.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 28.51% (0.28510) | 97.88th | v5 (v2026.06.15) |
| Jun 9, 2025 | 42.09% (0.42085) | 97.25th | v4 (v2025.03.14) |
| Mar 30, 2025 | 48.65% (0.48647) | 97.52th | v4 (v2025.03.14) |
| Mar 29, 2025 | 56.83% (0.56825) | 97.29th | v4 (v2025.03.14) |
| Mar 19, 2025 | 48.65% (0.48647) | 97.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 43.84% (0.43839) | 97.22th | v4 (v2025.03.14) |
| Feb 2, 2025 | 65.25% (0.65254) | 98.10th | v3 (v2023.03.01) |
| Dec 17, 2024 | 42.46% (0.42456) | 97.38th | v3 (v2023.03.01) |
| Oct 22, 2024 | 54.16% (0.54161) | 97.69th | v3 (v2023.03.01) |
| Jun 17, 2024 | 49.12% (0.49116) | 97.51th | v3 (v2023.03.01) |
| May 10, 2024 | 49.83% (0.49825) | 97.50th | v3 (v2023.03.01) |
| Apr 2, 2024 | 42.61% (0.42615) | 97.25th | v3 (v2023.03.01) |
| Feb 24, 2024 | 39.64% (0.39640) | 97.13th | v3 (v2023.03.01) |
| Jan 17, 2024 | 40.62% (0.40624) | 96.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 43.04% (0.43041) | 96.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 29.42% (0.29415) | 97.31th | v2 (v2022.01.01) |
| Feb 4, 2022 | 29.42% (0.29415) | 96.13th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.html x_refsource_MISCExploit
- http://osvdb.org/36034 vdb-entryx_refsource_OSVDB
- http://shinnai.altervista.org/viewtopic.php?id=42&t_id=26 x_refsource_MISC
- http://www.securityfocus.com/bid/24118 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018107 vdb-entryx_refsource_SECTRACK
- http://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.html x_refsource_MISCExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34473 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.html | x_refsource_MISCExploit | |
| http://osvdb.org/36034 | vdb-entryx_refsource_OSVDB | |
| http://shinnai.altervista.org/viewtopic.php?id=42&t_id=26 | x_refsource_MISC | |
| http://www.securityfocus.com/bid/24118 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1018107 | vdb-entryx_refsource_SECTRACK | |
| http://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.html | x_refsource_MISCExploit | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/34473 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.