{"cve":"CVE-2018-8256","nvd":{"published":"2018-11-14T01:29:00.253","modified":"2026-06-17T02:04:31.137","status":"Modified","description":"A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files, aka \"Microsoft PowerShell Remote Code Execution Vulnerability.\" This affects Windows RT 8.1, PowerShell Core 6.0, Microsoft.PowerShell.Archive 1.2.2.0, Windows Server 2016, Windows Server 2012, Windows Server 2008 R2, Windows Server 2019, Windows 7, Windows Server 2012 R2, PowerShell Core 6.1, Windows 10 Servers, Windows 10, Windows 8.1.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["http://www.securityfocus.com/bid/105781","http://www.securitytracker.com/id/1042108","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8256","http://www.securityfocus.com/bid/105781","http://www.securitytracker.com/id/1042108"],"products":["microsoft:microsoft.powershell.archive","microsoft:powershell_core","microsoft:windows_10","microsoft:windows_7","microsoft:windows_8.1","microsoft:windows_rt_8.1","microsoft:windows_server_2008","microsoft:windows_server_2012","microsoft:windows_server_2016","microsoft:windows_server_2019"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-8256","score":0.2264,"percentile":0.97722,"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."]}