Is CVE-2011-1997 being actively exploited?

CVE-2011-1997 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1997?

CVE-2011-1997 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2011-1997

HIGH · CVSS 9.3EPSS 14.5%EU EUVD

Microsoft Internet Explorer 6 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "OnLoad Event Remote Code Execution Vulnerability."

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-20
EPSS score: 14.5% (97th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1991)
Published: October 12, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1991 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / internet explorer
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows server 2003
microsoft / windows xp
microsoft / windows xp

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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