Is CVE-2011-2001 in the CISA KEV catalog?

No. CVE-2011-2001 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2001?

CVE-2011-2001 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2011-2001?

CVE-2011-2001 has an EPSS score of 43.13% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-2001

HIGHEPSS 99th pctl

9.3

CVSS v2

NVD

Description

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code via an attempted access to a virtual function table after corruption of this table has occurred, aka "Virtual Function Table Corruption Remote Code Execution Vulnerability."

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

43.13%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 2026-04-29.