Avast Internet Security v11.x.x, Pro Antivirus v11.x.x, Premier v11.x.x, Free Antivirus v11.x.x, Business Security v11.x.x, Endpoint Protection v8.x.x, Endpoint Protection Plus v8.x.x, Endpoint Protection Suite v8.x.x, Endpoint Protection Suite Plus v8.x.x, File Server Security v8.x.x, and Email Server Security v8.x.x allow attackers to bypass the DeepScreen feature via a DeviceIoControl call.
Conclusion & alert: CVE-2016-4025 is rated Low Risk (33.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.39%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 0.06% | 0.39% | +0.33% |
| 2 | 2025-03-17 | 0.04% | 0.06% | +0.02% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| avast | business_security | 11.1.2241 | cpe:2.3:a:avast:business_security:11.1.2241:*:*:*:*:*:*:* |
| avast | business_security | 11.1.2245 | cpe:2.3:a:avast:business_security:11.1.2245:*:*:*:*:*:*:* |
| avast | business_security | 11.1.2253 | cpe:2.3:a:avast:business_security:11.1.2253:*:*:*:*:*:*:* |
| avast | business_security | 11.1.2260 | cpe:2.3:a:avast:business_security:11.1.2260:*:*:*:*:*:*:* |
| avast | business_security | 11.1.2261 | cpe:2.3:a:avast:business_security:11.1.2261:*:*:*:*:*:*:* |
| avast | business_security | 11.1.2262 | cpe:2.3:a:avast:business_security:11.1.2262:*:*:*:*:*:*:* |
| avast | free_antivirus | 11.1.2241 | cpe:2.3:a:avast:free_antivirus:11.1.2241:*:*:*:*:*:*:* |
| avast | free_antivirus | 11.1.2245 | cpe:2.3:a:avast:free_antivirus:11.1.2245:*:*:*:*:*:*:* |
| avast | free_antivirus | 11.1.2253 | cpe:2.3:a:avast:free_antivirus:11.1.2253:*:*:*:*:*:*:* |
| avast | free_antivirus | 11.1.2260 | cpe:2.3:a:avast:free_antivirus:11.1.2260:*:*:*:*:*:*:* |
| avast | free_antivirus | 11.1.2261 | cpe:2.3:a:avast:free_antivirus:11.1.2261:*:*:*:*:*:*:* |
| avast | free_antivirus | 11.1.2262 | cpe:2.3:a:avast:free_antivirus:11.1.2262:*:*:*:*:*:*:* |
| avast | internet_security | 11.1.2241 | cpe:2.3:a:avast:internet_security:11.1.2241:*:*:*:*:*:*:* |
| avast | internet_security | 11.1.2245 | cpe:2.3:a:avast:internet_security:11.1.2245:*:*:*:*:*:*:* |
| avast | internet_security | 11.1.2253 | cpe:2.3:a:avast:internet_security:11.1.2253:*:*:*:*:*:*:* |
| avast | internet_security | 11.1.2260 | cpe:2.3:a:avast:internet_security:11.1.2260:*:*:*:*:*:*:* |
| avast | internet_security | 11.1.2261 | cpe:2.3:a:avast:internet_security:11.1.2261:*:*:*:*:*:*:* |
| avast | internet_security | 11.1.2262 | cpe:2.3:a:avast:internet_security:11.1.2262:*:*:*:*:*:*:* |
| avast | premier | 11.1.2241 | cpe:2.3:a:avast:premier:11.1.2241:*:*:*:*:*:*:* |
| avast | premier | 11.1.2245 | cpe:2.3:a:avast:premier:11.1.2245:*:*:*:*:*:*:* |
| avast | premier | 11.1.2253 | cpe:2.3:a:avast:premier:11.1.2253:*:*:*:*:*:*:* |
| avast | premier | 11.1.2260 | cpe:2.3:a:avast:premier:11.1.2260:*:*:*:*:*:*:* |
| avast | premier | 11.1.2261 | cpe:2.3:a:avast:premier:11.1.2261:*:*:*:*:*:*:* |
| avast | premier | 11.1.2262 | cpe:2.3:a:avast:premier:11.1.2262:*:*:*:*:*:*:* |
| avast | pro_antivirus | 11.1.2241 | cpe:2.3:a:avast:pro_antivirus:11.1.2241:*:*:*:*:*:*:* |
| avast | pro_antivirus | 11.1.2245 | cpe:2.3:a:avast:pro_antivirus:11.1.2245:*:*:*:*:*:*:* |
| avast | pro_antivirus | 11.1.2253 | cpe:2.3:a:avast:pro_antivirus:11.1.2253:*:*:*:*:*:*:* |
| avast | pro_antivirus | 11.1.2260 | cpe:2.3:a:avast:pro_antivirus:11.1.2260:*:*:*:*:*:*:* |
| avast | pro_antivirus | 11.1.2261 | cpe:2.3:a:avast:pro_antivirus:11.1.2261:*:*:*:*:*:*:* |
| avast | pro_antivirus | 11.1.2262 | cpe:2.3:a:avast:pro_antivirus:11.1.2262:*:*:*:*:*:*:* |
| avast | email_server_security | <= 8.0.1609 | cpe:2.3:a:avast:email_server_security:*:*:*:*:*:*:*:* |
| avast | email_server_security | 8.0.1606 | cpe:2.3:a:avast:email_server_security:8.0.1606:*:*:*:*:*:*:* |
| avast | endpoint_protection | <= 8.0.1609 | cpe:2.3:a:avast:endpoint_protection:*:*:*:*:*:*:*:* |
| avast | endpoint_protection | 8.0.1606 | cpe:2.3:a:avast:endpoint_protection:8.0.1606:*:*:*:*:*:*:* |
| avast | endpoint_protection_plus | 8.0.1606 | cpe:2.3:a:avast:endpoint_protection_plus:8.0.1606:*:*:*:*:*:*:* |
| avast | endpoint_protection_plus | 8.0.1609 | cpe:2.3:a:avast:endpoint_protection_plus:8.0.1609:*:*:*:*:*:*:* |
| avast | endpoint_protection_suite | <= 8.0.1609 | cpe:2.3:a:avast:endpoint_protection_suite:*:*:*:*:*:*:*:* |
| avast | endpoint_protection_suite | 8.0.1606 | cpe:2.3:a:avast:endpoint_protection_suite:8.0.1606:*:*:*:*:*:*:* |
| avast | endpoint_protection_suite_plus | <= 8.0.1609 | cpe:2.3:a:avast:endpoint_protection_suite_plus:*:*:*:*:*:*:*:* |
| avast | endpoint_protection_suite_plus | 8.0.1606 | cpe:2.3:a:avast:endpoint_protection_suite_plus:8.0.1606:*:*:*:*:*:*:* |
| avast | file_server_security | <= 8.0.1609 | cpe:2.3:a:avast:file_server_security:*:*:*:*:*:*:*:* |
| avast | file_server_security | 8.0.1606 | cpe:2.3:a:avast:file_server_security:8.0.1606:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://labs.nettitude.com/blog/escaping-avast-sandbox-using-single-ioctl-cve-2016-4025/ | Technical Description Third Party Advisory |