CVE-2004-1043

CVE-2004-1043 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 45% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to execute arbitrary code by using the "Related Topics" command in the Help ActiveX Control (hhctrl.ocx) to open a Help popup window containing the PCHealth tools.htm file in the local zone and injecting Javascript to be executed, as demonstrated using "writehta.txt" and the ADODB recordset, which saves a .HTA file to the local system, aka the "HTML Help ActiveX control Cross Domain Vulnerability."

Frequently asked questions

What is CVE-2004-1043?
Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to execute arbitrary code by using the "Related Topics" command in the Help ActiveX Control (hhctrl.ocx) to open a Help popup window containing the PCHealth tools.htm file in the local zone and injecting Javascript to be executed, as demonstrated using "writehta.txt" and the ADODB recordset, which saves a .HTA file to the local system, aka the "HTML Help ActiveX control Cross Domain Vulnerability."
How severe is CVE-2004-1043?
CVE-2004-1043 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1043 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 45% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1043?
CVE-2004-1043 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1043?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1043 published?
CVE-2004-1043 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (2)

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