How severe is CVE-2003-0666?

CVE-2003-0666 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0666?

CVE-2003-0666 affects Microsoft Wordperfect Converter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0666?

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-2003-0666 published?

CVE-2003-0666 was published on 2003-10-20 and last updated on 2026-06-16.

CVE-2003-0666

CVE-2003-0666 is a high-severity vulnerability in Microsoft Wordperfect Converter with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Wordperfect Converter
Published: 2003-10-20
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2003-0666?: 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.
How severe is CVE-2003-0666?: CVE-2003-0666 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0666?: CVE-2003-0666 affects Microsoft Wordperfect Converter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0666?: 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-2003-0666 published?: CVE-2003-0666 was published on 2003-10-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:wordperfect_converter:*:*:*:*:*:*:*:*