Is CVE-2008-5424 in the CISA KEV catalog?

No. CVE-2008-5424 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-5424?

CVE-2008-5424 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2008-5424?

CVE-2008-5424 has an EPSS score of 12.26% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2008-5424

MEDIUMEPSS 96th pctl

4.3

CVSS v2

NVD

Description

The MimeOleClearDirtyTree function in InetComm.dll in Microsoft Outlook Express 6.00.2900.5512 does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service (infinite loop) via a large e-mail message, a related issue to CVE-2006-1173.

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

12.26%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% 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 2026-04-23.