Is CVE-2006-3899 being actively exploited?

CVE-2006-3899 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2006-3899?

CVE-2006-3899 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2006-3899

MEDIUM · CVSS 5.0EPSS 24.3%EU EUVD

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 24.3% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2006-3893)
Published: July 27, 2006
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-3893 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 / internet explorer
microsoft / internet explorer
microsoft / windows xp

References

http://browserfun.blogspot.com/2006/07/mobb-21-cenroll-stringtobinary.html(Broken Link)
http://www.osvdb.org/27230(Broken Link)
http://www.securityfocus.com/bid/19102(Exploit, Third Party Advisory, VDB Entry)
http://www.vupen.com/english/advisories/2006/2916(Not Applicable)
https://exchange.xforce.ibmcloud.com/vulnerabilities/27884(Third Party Advisory, VDB Entry)

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

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