In IKARUS anti.virus 2.16.7, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not validating input values from IOCtl 0x8300000c.
Conclusion & alert: CVE-2017-14961 is rated High Exploit Risk (72.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.53%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.14% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 43139 | exploit_db | edb | 2017-11-13 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | 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 | 2026-06-15 | 0.39% | 1.53% | +1.14% |
| 2 | 2025-09-13 | 0.51% | 0.39% | -0.12% |
| 3 | 2025-03-31 | — | 0.51% | — |
Full EPSS history (9 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] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ikarussecurity | anti.virus | 2.16.7 | cpe:2.3:a:ikarussecurity:anti.virus:2.16.7:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/144955/IKARUS-AntiVirus-2.16.7-Privilege-Escalation.html | Third Party Advisory VDB Entry |
| https://theevilbit.blogspot.co.uk/2017/11/turning-cve-2017-14961-ikarus-antivirus.html | Exploit Third Party Advisory |
| https://www.exploit-db.com/exploits/43139/ | Third Party Advisory VDB Entry |
| https://www.ikarussecurity.com/about-ikarus/security-blog/vulnerability-in-windows-antivirus-products-ik-sa-2017-0002/ | Vendor Advisory |