VsapiNT.sys in the Scan Engine 8.0 for Trend Micro AntiVirus 14.10.1041, and other products, allows remote attackers to cause a denial of service (kernel fault and system crash) via a crafted UPX file with a certain field that triggers a divide-by-zero error.
Conclusion & alert: CVE-2007-1591 is rated Moderate Risk (61.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.53%). Core evidence: EPSS rose +1.53% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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 | 2026-06-15 | 0.99% | 2.53% | +1.53% |
| 2 | 2025-11-08 | 0.82% | 0.99% | +0.18% |
| 3 | 2025-03-30 | — | 0.82% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| trend_micro | trend_micro_antivirus | 14.10.1041 | cpe:2.3:a:trend_micro:trend_micro_antivirus:14.10.1041:*:*:*:*:*:*:* |