CVE-2006-3451

Microsoft Internet Explorer 5 SP4 and 6 do not properly garbage collect when "multiple imports...

7.5 High

Microsoft Internet Explorer 5 SP4 and 6 do not properly garbage collect when "multiple imports are used on a styleSheets collection" to construct a chain of Cascading Style Sheets (CSS), which allows remote attackers to execute arbitrary code via unspecified vectors.

Exploit likelihood

41.2%Down 5.5 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2006-3451
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2006-3451
Updated: 2026-11-02

EUVDEUVD-2006-3447 No score

Record: EUVD-2006-3447
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jmmq-q8f4-p952 No score

Microsoft Internet Explorer 5 SP4 and 6 do not properly garbage collect when "multiple imports...

Record: GHSA-jmmq-q8f4-p952
Weakness: CWE-20
Updated: 2026-11-02

Affected products

microsoft ie

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-3451 is a high vulnerability (CVSS 7.5) in Microsoft Ie, published August 8, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 41.2%, the 98th percentile. No source names a fixed version.

References

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