K7 Antivirus Premium before 15.1.0.53 allows local users to write to arbitrary memory locations, and consequently gain privileges, via a specific set of IOCTL calls.
Conclusion & alert: CVE-2017-16552 is rated Moderate Risk (40.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.34%). 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 | 0.05% | 0.34% | +0.29% |
| 2 | 2025-03-17 | 0.04% | 0.05% | +0.01% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| k7computing | antivirus | < 15.1.0.53 | cpe:2.3:a:k7computing:antivirus:*:*:*:*:premium:*:*:* |
| k7computing | antivirus | < 15.1.0308 | cpe:2.3:a:k7computing:antivirus:*:*:*:*:plus:*:*:* |
| k7computing | endpoint | < 14.2.0137 | cpe:2.3:a:k7computing:endpoint:*:*:*:*:*:*:*:* |
| k7computing | internet_security | < 15.1.0297 | cpe:2.3:a:k7computing:internet_security:*:*:*:*:*:*:*:* |
| k7computing | total_security | < 15.1.0324 | cpe:2.3:a:k7computing:total_security:*:*:*:*:*:*:*:* |
| k7computing | total_security | < 16.0.0131 | cpe:2.3:a:k7computing:total_security:*:*:*:*:plus:*:*:* |
| k7computing | ultimate_security | < 15.1.0324 | cpe:2.3:a:k7computing:ultimate_security:*:*:*:*:*:*:*:* |