How severe is CVE-2004-0963?

CVE-2004-0963 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-0963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0963?

CVE-2004-0963 affects Microsoft Word. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0963?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2004-0963 published?

CVE-2004-0963 was published on 2005-02-09 and last updated on 2026-06-16.

CVE-2004-0963

CVE-2004-0963 is a critical-severity vulnerability in Microsoft Word with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 33% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Word
Published: 2005-02-09
Last modified: 2026-06-16

Description

Buffer overflow in Microsoft Word 2002 (10.6612.6714) SP3, and possibly other versions, allows remote attackers to cause a denial of service (application exception) and possibly execute arbitrary code in winword.exe via certain unexpected values in a .doc file, including (1) an offset that triggers an out-of-bounds memory access, (2) a certain value that causes a large memory copy as triggered by an integer conversion error, and other values.

Frequently asked questions

What is CVE-2004-0963?: Buffer overflow in Microsoft Word 2002 (10.6612.6714) SP3, and possibly other versions, allows remote attackers to cause a denial of service (application exception) and possibly execute arbitrary code in winword.exe via certain unexpected values in a .doc file, including (1) an offset that triggers an out-of-bounds memory access, (2) a certain value that causes a large memory copy as triggered by an integer conversion error, and other values.
How severe is CVE-2004-0963?: CVE-2004-0963 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0963?: CVE-2004-0963 affects Microsoft Word. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0963 published?: CVE-2004-0963 was published on 2005-02-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:word:2002:sp3:*:*:*:*:*:*

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