# CVE-2003-0821

## Summary

- **CVE ID:** CVE-2003-0821
- **Severity:** UNKNOWN
- **CVSS Score:** 0.44
- **CWE:** N/A
- **Published:** Nov 18, 2003
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.securityfocus.com/bid/9010)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A675)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A695)
- [CNA](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-050)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A636)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/13681)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 10.98%
- **EPSS Percentile:** 93.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._