{"cve":"CVE-2017-8623","nvd":{"published":"2017-08-08T21:29:00.737","modified":"2026-06-17T01:26:40.923","status":"Modified","description":"Windows Hyper-V in Windows 10 1607, 1703, and Windows Server 2016 allows a denial of service vulnerability when it fails to properly validate input from a privileged user on a guest operating system, aka \"Windows Hyper-V Denial of Service Vulnerability\".","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","score":6.8},"cwes":["CWE-20"],"references":["http://www.securityfocus.com/bid/100042","http://www.securitytracker.com/id/1039104","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8623","http://www.securityfocus.com/bid/100042","http://www.securitytracker.com/id/1039104"],"products":["microsoft:windows_10","microsoft:windows_server_2016"],"source":"nvd","synced_at":"2026-10-19T20:44:47.710380879+00:00"},"epss":{"cve":"CVE-2017-8623","score":0.06518,"percentile":0.9378,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}