CVE-2006-3638

Microsoft Internet Explorer 5.01 and 6 does not properly handle uninitialized COM objects, which allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code, as demonstrated by the Nth function in the DirectAnimation.DATuple ActiveX control, aka "COM Object Instantiation Memory Corruption Vulnerability."

Published: 2006-08-08 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-3638 is rated Moderate Risk (59.3/100): CVSS High severity, with high exploitation likelihood (EPSS 54.93%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-3638

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-06 64.56% 54.93% -9.63%
2 2025-03-30 71.27% 64.56% -6.71%
3 2025-03-29 — 71.27% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3638

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-3638

Affected software / configurations for CVE-2006-3638

Vendor Product Version Raw CPE
microsoft ie 6.0 cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:*
microsoft ie 6.0 cpe:2.3:a:microsoft:ie:6.0:sp2:*:*:*:*:*:*
microsoft internet_explorer 5.0.1 cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:*
microsoft internet_explorer 5.0.1 cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp1:*:*:*:*:*:*
microsoft internet_explorer 5.0.1 cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp2:*:*:*:*:*:*
microsoft internet_explorer 5.0.1 cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp3:*:*:*:*:*:*
microsoft internet_explorer 5.0.1 cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:*
microsoft internet_explorer 6.0 cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*

References for CVE-2006-3638

cvelogic Threat Intelligence