CVE-2003-0666Wordperfect Converter Vulnerability
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.
Published Oct 20, 2003 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2003-0666 is a high-severity vulnerability (CVSS 7.5 v2) affecting Wordperfect Converter (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 22% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
22%
Higher than 97.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
38/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Wordperfect ConverterMicrosoft | See advisory | n/a |
Timeline
Publicly disclosed
Oct 20, 2003
Last updated
Apr 15, 2026
References
- advisory20030903 EEYE: Microsoft WordPerfect Document Converter Buffer Overflow
- exploitExploitDB-23096
- exploitExploitDB-92
- other20030903 EEYE: Microsoft WordPerfect Document Converter Buffer Overflow
- other20030905 Microsoft WordPerfect Document Converter Exploit
FAQ
Common Questions.
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.
Affected: Wordperfect Converter (Microsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2003-0666 On Your Attack Surface?
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