CVE-2003-0821

CVE-2003-0821 is a high-severity vulnerability in Microsoft Word with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Microsoft Excel 97, 2000, and 2002 allows remote attackers to execute arbitrary code via a spreadsheet with a malicious XLM (Excel 4) macro that bypasses the macro security model.

Frequently asked questions

What is CVE-2003-0821?
Microsoft Excel 97, 2000, and 2002 allows remote attackers to execute arbitrary code via a spreadsheet with a malicious XLM (Excel 4) macro that bypasses the macro security model.
How severe is CVE-2003-0821?
CVE-2003-0821 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0821 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0821?
CVE-2003-0821 primarily affects Microsoft Word. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0821?
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-2003-0821 published?
CVE-2003-0821 was published on 2003-12-15 and last updated on 2026-06-16.

References

Affected products (27)

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