HTTP.sys in Microsoft Windows 10 Gold and 1511 allows remote attackers to cause a denial of service (system hang) via crafted HTTP 2.0 requests, aka "HTTP.sys Denial of Service Vulnerability."
Conclusion & alert: CVE-2016-0150 is rated High Risk (66.2/100): CVSS High severity, with high exploitation likelihood (EPSS 43.28%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.12% 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 | 2025-07-14 | 41.16% | 43.28% | +2.12% |
| 2 | 2025-03-30 | 55.04% | 41.16% | -13.87% |
| 3 | 2025-03-29 | — | 55.04% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_10 | — | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* |
| microsoft | windows_10 | 1511 | cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1035546 | Third Party Advisory |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-049 |