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CVE-2002-0823
Buffer overflow in Winhlp32.exe allows remote attackers to execute arbitrary code via an HTML document that calls the HTML Help ActiveX…
High7.5EPSS 26.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Buffer overflow in Winhlp32.exe allows remote attackers to execute arbitrary code via an HTML document that calls the HTML Help ActiveX control (HHCtrl.ocx) with a long pathname in the Item parameter.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 26.2% · top 2.0% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (5)
- 4857 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 2991 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- htmlhelp-item-bo(9746) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- Q293338 (opens in a new tab)vendor-advisoryx_refsource_MSKBx_transferred
- 20020801 Winhelp32 Remote Buffer Overrun (opens in a new tab)mailing-listx_refsource_BUGTRAQx_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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .