CVE-2006-3898

CVE-2006-3898 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the Click method of the Internet.HHCtrl.1 ActiveX object before initializing the URL, which triggers a null dereference.

Frequently asked questions

What is CVE-2006-3898?
Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the Click method of the Internet.HHCtrl.1 ActiveX object before initializing the URL, which triggers a null dereference.
How severe is CVE-2006-3898?
CVE-2006-3898 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-3898 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3898?
CVE-2006-3898 primarily affects Microsoft Internet Explorer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3898?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3898 published?
CVE-2006-3898 was published on 2006-07-27 and last updated on 2026-06-16.

References

Affected products (3)

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