CVE-1999-0354

CVE-1999-0354 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Internet Explorer 4.x or 5.x with Word 97 allows arbitrary execution of Visual Basic programs to the IE client through the Word 97 template, which doesn't warn the user that the template contains executable content. Also applies to Outlook when the client views a malicious email message.

Frequently asked questions

What is CVE-1999-0354?
Internet Explorer 4.x or 5.x with Word 97 allows arbitrary execution of Visual Basic programs to the IE client through the Word 97 template, which doesn't warn the user that the template contains executable content. Also applies to Outlook when the client views a malicious email message.
How severe is CVE-1999-0354?
CVE-1999-0354 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-0354 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0354?
CVE-1999-0354 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-1999-0354?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0354 published?
CVE-1999-0354 was published on 1999-11-01 and last updated on 2026-06-16.

References

Affected products (3)

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