Is CVE-2005-1990 in the CISA KEV catalog?

No. CVE-2005-1990 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-1990?

CVE-2005-1990 has a CVSS v2 base score of 5.1 (MEDIUM).

What is the EPSS score for CVE-2005-1990?

CVE-2005-1990 has an EPSS score of 48.51% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2005-1990

MEDIUMEPSS 99th pctl

5.1

CVSS v2

NVD

Description

Internet Explorer 5.0, 5.5, and 6.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not ActiveX controls, including (1) devenum.dll, (2) diactfrm.dll, (3) wmm2filt.dll, (4) fsusd.dll, (5) dmdskmgr.dll, (6) browsewm.dll, (7) browseui.dll, (8) shell32.dll, (9) mshtml.dll, (10) inetcfg.dll, (11) infosoft.dll, (12) query.dll, (13) syncui.dll, (14) clbcatex.dll, (15) clbcatq.dll, (16) comsvcs.dll, and (17) msconf.dll, which causes memory corruption, aka "COM Object Instantiation Memory Corruption Vulnerability," a different vulnerability than CVE-2005-2087.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

48.51%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.