How severe is CVE-2008-0109?

CVE-2008-0109 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-0109 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0109?

CVE-2008-0109 primarily affects Microsoft Office. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-0109?

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-2008-0109 published?

CVE-2008-0109 was published on 2008-02-12 and last updated on 2026-06-16.

CVE-2008-0109

CVE-2008-0109 is a critical-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 31% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Office
Published: 2008-02-12
Last modified: 2026-06-16

Description

Word in Microsoft Office 2000 SP3, XP SP3, Office 2003 SP2, and Office Word Viewer 2003 allows remote attackers to execute arbitrary code via crafted fields within the File Information Block (FIB) of a Word file, which triggers length calculation errors and memory corruption.

Frequently asked questions

What is CVE-2008-0109?: Word in Microsoft Office 2000 SP3, XP SP3, Office 2003 SP2, and Office Word Viewer 2003 allows remote attackers to execute arbitrary code via crafted fields within the File Information Block (FIB) of a Word file, which triggers length calculation errors and memory corruption.
How severe is CVE-2008-0109?: CVE-2008-0109 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-0109 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-0109?: CVE-2008-0109 primarily affects Microsoft Office. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-0109?: 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-2008-0109 published?: CVE-2008-0109 was published on 2008-02-12 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:microsoft:office:2000:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2003:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2003:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:*:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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Browse all CWE-399 (Resource Management Errors) vulnerabilities →