{"cve":"CVE-2026-27917","nvd":{"published":"2026-04-14T18:17:00.233","modified":"2026-10-14T23:17:38.803","status":"Analyzed","description":"Use after free in Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) allows an authorized attacker to elevate privileges locally.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.0},"cwes":["CWE-416"],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27917"],"products":["microsoft:windows_10_1607","microsoft:windows_10_1809","microsoft:windows_10_21h2","microsoft:windows_10_22h2","microsoft:windows_11_23h2","microsoft:windows_11_24h2","microsoft:windows_11_25h2","microsoft:windows_11_26h1","microsoft:windows_server_2012","microsoft:windows_server_2016","microsoft:windows_server_2019","microsoft:windows_server_2022","microsoft:windows_server_2022_23h2","microsoft:windows_server_2025"],"source":"nvd","synced_at":"2026-10-19T22:30:49.762551342+00:00"},"epss":{"cve":"CVE-2026-27917","score":0.00243,"percentile":0.15338,"date":"2026-10-25"},"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."]}