mpengine.dll in Microsoft Malware Protection Engine before 1.1.10701.0 allows remote attackers to cause a denial of service (system hang) via a crafted file.
Conclusion & alert: CVE-2014-2779 is rated Moderate Risk (55.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 13.35%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +9.16% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 4.19% | 13.35% | +9.16% |
| 2 | 2025-03-30 | 9.42% | 4.19% | -5.23% |
| 3 | 2025-03-29 | — | 9.42% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | malware_protection_engine | <= 1.1.10600.0 | cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/59337 | |
| http://www.securityfocus.com/bid/68076 | VDB Entry |
| http://www.securitytracker.com/id/1030438 | VDB Entry |
| https://technet.microsoft.com/library/security/2974294 | Mitigation Patch Vendor Advisory |