CVE-2003-0666

NONECVSS 0.0Weaponized

0.0

Buffer overflow in Microsoft Wordperfect Converter allows remote attackers to execute arbitrary code via modified data offset and data size parameters in a Corel WordPerfect file.

CVSS v3: —
EG Score: —
EPSS: 97.6%
KEV: Not listed

Published

October 20, 2003

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://archives.neohapsis.com/archives/vulnwatch/2003-q3/0092.html
cve@mitrehttp://marc.info/?l=bugtraq&m=106261952827573&w=2
cve@mitrehttp://marc.info/?l=bugtraq&m=106279971612961&w=2
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-036
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0092.html
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=106261952827573&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=106279971612961&w=2
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-036

Data Freshness Timeline

(refreshed 9× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-92✓ verified
First seen Sep 6, 2003
Microsoft WordPerfect Document Converter (Windows NT4 Workstation SP5/SP6 French) - File Template Buffer Overflow (MS03-036)
Open source ↗
Exploit-DBEDB-23096✓ verified
First seen Sep 3, 2003
Microsoft WordPerfect - Converter Buffer Overrun
Open source ↗

Frequently asked(4)

What is CVE-2003-0666?

CVE-2003-0666 is a none vulnerability published on October 20, 2003. Buffer overflow in Microsoft Wordperfect Converter allows remote attackers to execute arbitrary code via modified data offset and data size parameters in a Corel WordPerfect file.

When was CVE-2003-0666 disclosed?

CVE-2003-0666 was first published in the National Vulnerability Database on October 20, 2003, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2003-0666 actively exploited?

CVE-2003-0666 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0666?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0666, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2003-0666

📅 Published

🔄 Last Modified

🔗 References (8)