CVE-2004-0216

CVE-2004-0216 is a critical-severity vulnerability in Microsoft Ie with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 49% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Integer overflow in the Install Engine (inseng.dll) for Internet Explorer 5.01, 5.5, and 6 allows remote attackers to execute arbitrary code via a malicious website or HTML email with a long .CAB file name, which triggers the integer overflow when calculating a buffer length and leads to a heap-based buffer overflow.

Frequently asked questions

What is CVE-2004-0216?
Integer overflow in the Install Engine (inseng.dll) for Internet Explorer 5.01, 5.5, and 6 allows remote attackers to execute arbitrary code via a malicious website or HTML email with a long .CAB file name, which triggers the integer overflow when calculating a buffer length and leads to a heap-based buffer overflow.
How severe is CVE-2004-0216?
CVE-2004-0216 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0216 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 49% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0216?
CVE-2004-0216 primarily affects Microsoft Ie. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0216?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0216 published?
CVE-2004-0216 was published on 2004-11-03 and last updated on 2026-06-16.

References

Affected products (3)

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