{"cve":"CVE-2016-3067","nvd":{"published":"2017-04-21T20:59:00.633","modified":"2026-06-17T00:44:54.333","status":"Modified","description":"Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-264"],"references":["https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html","https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html","https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html","https://cygwin.com/ml/cygwin/2016-02/msg00129.html","https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044"],"products":["cygwin:cygwin"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2016-3067","score":0.0204,"percentile":0.81124,"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."]}