{"id":"CVE-2016-0049","aliases":["EUVD-2016-0087","GHSA-xfcg-5cmm-j3j6"],"status":"published","title":"Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1,...","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.\"","severity":{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.13068,"percentile":0.96375,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-255"],"published":"2016-02-10T11:00:00Z","modified":"2026-06-17T00:36:51Z","exploits":[{"source":"exploitdb","id":"EDB-39442","title":"Microsoft Windows - Kerberos Security Feature Bypass (MS16-014)","type":"local","platform":"windows","date":"2016-02-15","verified":true,"url":"https://www.exploit-db.com/exploits/39442"},{"source":"pocgithub","id":"JackOfMostTrades/bluebox","title":"JackOfMostTrades/bluebox","date":"2016-02-18","url":"https://github.com/JackOfMostTrades/bluebox"}],"products":[{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_vista"}],"references":[{"url":"http://www.securitytracker.com/id/1034985","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/39442/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://packetstormsecurity.com/files/135797/Windows-Kerberos-Security-Feature-Bypass.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/82535","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-0049"},{"url":"https://www.exploit-db.com/exploits/39442"},{"url":"https://github.com/advisories/GHSA-xfcg-5cmm-j3j6"}],"sources":{"cve":[{"id":"CVE-2016-0049","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.\"","status":"published","published":"2016-02-10T11:00:00Z","modified":"2024-08-05T22:08:12.704Z","updated_at":"2026-11-02T14:33:37.446553Z"}],"euvd":[{"id":"EUVD-2016-0087","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.\"","status":"published","published":"2016-02-10T11:00:00Z","modified":"2024-08-05T22:08:12Z","updated_at":"2026-11-03T02:23:02.73611Z"}],"ghsa":[{"id":"GHSA-xfcg-5cmm-j3j6","title":"Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1,...","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.\"","status":"published","published":"2022-05-14T02:13:11Z","modified":"2025-04-12T12:57:50Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:01:25.795392Z"}],"nvd":[{"id":"CVE-2016-0049","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.\"","status":"published","published":"2016-02-10T11:59:13.58Z","modified":"2026-06-17T00:36:51.147Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:03:21.143462Z"}]}}