pubconv.dll (aka the Publisher Converter DLL) in Microsoft Publisher 2002 SP3 does not properly perform array indexing, which allows remote attackers to execute arbitrary code via a crafted Publisher file that uses an old file format, aka "Array Indexing Memory Corruption Vulnerability."
Conclusion & alert: CVE-2010-3955 is rated High Risk (75.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 58.32%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.65% 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 | 2025-06-17 | 54.67% | 58.32% | +3.65% |
| 2 | 2025-03-30 | 68.32% | 54.67% | -13.65% |
| 3 | 2025-03-29 | — | 68.32% | — |
Full EPSS history (19 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] |