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Vulnerability record · CVE-2004-1306 · published 31 December 2004

CVE-2004-1306: Microsoft windows 2000 vulnerability

Microsoft · Windows 2000

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.

5.1 CVSS 2.0 Medium EPSS 20% · top 2.7%
5.1CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
8References, 4 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:H/Au:N/C:P/I:P/A:P

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=110383690219440&w=2
http://www.securityfocus.com/bid/12092 Exploit
http://www.xfocus.net/flashsky/icoExp/ Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/18678
http://marc.info/?l=bugtraq&m=110383690219440&w=2
http://www.securityfocus.com/bid/12092 Exploit
http://www.xfocus.net/flashsky/icoExp/ Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/18678

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2004-1306), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.