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CVE-2004-1306
Heap-based buffer overflow in winhlp32.exe in Windows NT, Windows 2000 through SP4, Windows XP through SP2, and Windows 2003 allows remote…
Medium5.1EPSS 21.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Heap-based buffer overflow in winhlp32.exe in Windows NT, Windows 2000 through SP4, Windows XP through SP2, and Windows 2003 allows remote attackers to execute arbitrary code via a crafted .hlp file.
Timeline
ID reserved
By mitre
- 29 days later
· 29 days later
Published
- 20 years later
· 20 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 | Medium5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 21.1% · top 2.4% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 12092 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.xfocus.net/flashsky/icoExp/ (opens in a new tab)x_refsource_MISCx_transferred
- 20041223 Microsoft Windows winhlp32.exe Heap Overflow Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- win-winhlp32-bo(18678) (opens in a new tab)vdb-entryx_refsource_XFx_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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2004-1306)Record last updated .