{"cve":"CVE-2016-0049","nvd":{"published":"2016-02-10T11:59:13.580","modified":"2026-06-17T00:36:51.147","status":"Modified","description":"Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 Gold and 1511 does not properly validate password changes, which allows remote attackers to bypass authentication by deploying a crafted Key Distribution Center (KDC) and then performing a sign-in action, aka \"Windows Kerberos Security Feature Bypass.\"","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":6.2},"cwes":["CWE-255"],"references":["http://packetstormsecurity.com/files/135797/Windows-Kerberos-Security-Feature-Bypass.html","http://www.securityfocus.com/bid/82535","http://www.securitytracker.com/id/1034985","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014","https://www.exploit-db.com/exploits/39442/"],"products":["microsoft:windows_10","microsoft:windows_7","microsoft:windows_8.1","microsoft:windows_server_2008","microsoft:windows_server_2012","microsoft:windows_vista"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2016-0049","score":0.13068,"percentile":0.96349,"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."]}