Is CVE-2010-3343 being actively exploited?

CVE-2010-3343 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-3343?

CVE-2010-3343 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2010-3343

HIGH · CVSS 9.3EPSS 28.4%EU EUVD

Microsoft Internet Explorer 6 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "HTML Object Memory Corruption 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-908
EPSS score: 28.4% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-3341)
Published: December 16, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-3341 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

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

References

http://www.securitytracker.com/id?1024872(Broken Link, Third Party Advisory, VDB Entry)
http://www.us-cert.gov/cas/techalerts/TA10-348A.html(Third Party Advisory, US Government Resource)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-090(Patch, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12372(Tool Signature)

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

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