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CVE-2006-3451

38
FAUCET Score

CVE-2006-3451 describes a memory management vulnerability in Microsoft Internet Explorer 5 SP4 and 6, specifically related to improper garbage collection when multiple imports are used on a styleSheets collection to chain CSS. This flaw allows remote attackers to execute arbitrary code through unspecified vectors. With a CVSS score of 7.5 (High) and an EPSS percentile indicating higher exploitability than 98% of CVEs, the vulnerability poses a significant risk, allowing for potential compromise of confidentiality, integrity, and availability. Despite its high risk, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:ie:5.0:sp4:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:a:microsoft:ie:6:windows_server_2003_sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
41.22%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.4122 is in the 97th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2006/ms06-042
secunia.com / advisories/21396
Vendor Advisory
securityreason.com / securityalert/1343
securitytracker.com / id
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5
kb.cert.org / vuls/id/262004
PatchUS Government Resource
osvdb.org / 27854
securityfocus.com / archive/1/442578/100/0/threaded
securityfocus.com / bid/19316
us-cert.gov / cas/techalerts/TA06-220A.html
PatchUS Government Resource
vupen.com / english/advisories/2006/3212
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-06-026.html