Is CVE-2004-1043 in the CISA KEV catalog?

No. CVE-2004-1043 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-1043?

CVE-2004-1043 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2004-1043?

CVE-2004-1043 has an EPSS score of 44.98% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2004-1043

MEDIUMEPSS 99th pctl

5.0

CVSS v2

NVD

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."

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

44.98%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.