Multiple stack-based buffer overflows in the PowerPointOCX ActiveX control in PowerPointViewer.ocx 3.1.0.3 allow remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand, (2) FTPDownloadFile, (3) FTPUploadFile, (4) HttpUploadFile, (5) Save, (6) SaveWebFile, (7) HttpDownloadFile, (8) Open, or (9) OpenWebFile property value. NOTE: some of these details are obtained from third party information.
Conclusion & alert: CVE-2007-2494 is rated High Exploit Risk (87.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.60%, 93th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 3826 | exploit_db | edb | 2007-05-01 | Exploit-DB ↗ |
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 | 2025-12-21 | 10.23% | 10.60% | +0.37% |
| 2 | 2025-03-30 | 13.41% | 10.23% | -3.18% |
| 3 | 2025-03-29 | — | 13.41% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| office_ocx | powerpoint_viewer_ocx | <= 3.1.0.3 | cpe:2.3:a:office_ocx:powerpoint_viewer_ocx:*:*:*:*:*:*:*:* |