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.
Conclusion & alert: CVE-2008-0109 is rated High Risk (73.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 58.05%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.27% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-20 | 55.78% | 58.05% | +2.27% |
| 2 | 2025-06-10 | 53.82% | 55.78% | +1.96% |
| 3 | 2025-05-21 | — | 53.82% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | office | 2000 | cpe:2.3:a:microsoft:office:2000:sp3:*:*:*:*:*:* |
| microsoft | office | 2003 | cpe:2.3:a:microsoft:office:2003:*:*:*:*:*:*:* |
| microsoft | office | 2003 | cpe:2.3:a:microsoft:office:2003:sp2:*:*:*:*:*:* |
| microsoft | office | xp | cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:* |
| microsoft | word | — | cpe:2.3:a:microsoft:word:*:*:*:*:*:*:*:* |