Multiple unspecified vulnerabilities in Microsoft Internet Explorer 5.01 SP4 and 6 SP1 and earlier allow remote attackers to execute arbitrary code by instantiating certain COM objects from Wmm2fxa.dll as ActiveX controls including (1) DXImageTransform.Microsoft.MMSpecialEffect1Input, (2) DXImageTransform.Microsoft.MMSpecialEffect1Input.1, (3) DXImageTransform.Microsoft.MMSpecialEffect2Inputs, (4) DXImageTransform.Microsoft.MMSpecialEffect2Inputs.1, (5) DXImageTransform.Microsoft.MMSpecialEffectInplace1Input, and (6) DXImageTransform.Microsoft.MMSpecialEffectInplace1Input.1, which causes memory corruption during garbage collection.
Conclusion & alert: CVE-2006-1303 is rated High Risk (66.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 52.75%, 98th 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 | 2026-03-11 | 58.94% | 52.75% | -6.19% |
| 2 | 2025-03-30 | 60.55% | 58.94% | -1.60% |
| 3 | 2025-03-29 | — | 60.55% | — |
Full EPSS history (11 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 | ie | 5.0.1 | cpe:2.3:a:microsoft:ie:5.0.1:*:windows_2000:*:*:*:*:* |
| microsoft | ie | 5.0.1 | cpe:2.3:a:microsoft:ie:5.0.1:*:windows_95:*:*:*:*:* |
| microsoft | ie | 5.0.1 | cpe:2.3:a:microsoft:ie:5.0.1:*:windows_98:*:*:*:*:* |
| microsoft | ie | 5.0.1 | cpe:2.3:a:microsoft:ie:5.0.1:*:windows_nt_4.0:*:*:*:*:* |
| microsoft | ie | 6.0 | cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:* |
| microsoft | internet_explorer | 5.0.1 | cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:* |
| microsoft | internet_explorer | 5.0.1 | cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp1:*:*:*:*:*:* |
| microsoft | internet_explorer | 5.0.1 | cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp2:*:*:*:*:*:* |
| microsoft | internet_explorer | 5.0.1 | cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp3:*:*:*:*:*:* |
| microsoft | internet_explorer | 5.0.1 | cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:* |
| microsoft | internet_explorer | 6.0 | cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:* |