Is CVE-2004-0501 in the CISA KEV catalog?

No. CVE-2004-0501 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-0501?

CVE-2004-0501 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2004-0501?

CVE-2004-0501 has an EPSS score of 18.74% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2004-0501

MEDIUMEPSS 97th pctl

5.0

CVSS v2

NVD

Description

Outlook 2003 allows remote attackers to bypass intended access restrictions and cause Outlook to request a URL from a remote site via an HTML e-mail message containing a Vector Markup Language (VML) entity whose src parameter points to the remote site, which could allow remote attackers to know when a message has been read, verify valid e-mail addresses, and possibly leak other information.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

18.74%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% 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.