mso.dll, as used by Microsoft PowerPoint 2000 through 2003, allows user-assisted attackers to execute arbitrary commands via a malformed shape container in a PPT file that leads to memory corruption, as exploited by Trojan.PPDropper.B, a different issue than CVE-2006-1540 and CVE-2006-3493.
Conclusion & alert: CVE-2006-3590 is rated Moderate Risk (49.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 36.12%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 2026-04-11 | 42.59% | 36.12% | -6.47% |
| 2 | 2025-08-03 | 41.59% | 42.59% | +1.01% |
| 3 | 2025-03-30 | — | 41.59% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | powerpoint | 2000 | cpe:2.3:a:microsoft:powerpoint:2000:*:*:*:*:*:*:* |
| microsoft | powerpoint | 2002 | cpe:2.3:a:microsoft:powerpoint:2002:*:*:*:*:*:*:* |
| microsoft | powerpoint | 2003 | cpe:2.3:a:microsoft:powerpoint:2003:*:*:*:*:*:*:* |
| microsoft | powerpoint | 2003 | cpe:2.3:a:microsoft:powerpoint:2003:sp1:*:*:*:*:*:* |
| microsoft | powerpoint | 2003 | cpe:2.3:a:microsoft:powerpoint:2003:sp2:*:*:*:*:*:* |