{"id":"CVE-2019-0543","aliases":["EUVD-2019-1314","GHSA-3vmp-cf5x-w457"],"status":"published","title":"An elevation of privilege vulnerability exists when Windows improperly handles authentication...","description":"An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka \"Microsoft Windows Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04679,"percentile":0.91841,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-287"],"published":"2019-01-08T21:00:00Z","modified":"2026-06-17T02:08:20Z","kev":{"date_added":"2022-03-15","due_date":"2022-04-05","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2022-03-15"},{"source":"kev","since":"2022-03-15"}],"exploits":[{"source":"exploitdb","id":"EDB-46156","title":"Microsoft Windows 10 - SSPI Network Authentication Session 0 Privilege Escalation","type":"local","platform":"windows","date":"2019-01-14","verified":true,"url":"https://www.exploit-db.com/exploits/46156"}],"products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1703"},{"vendor":"microsoft","product":"windows_10_1709"},{"vendor":"microsoft","product":"windows_10_1803"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_1709"},{"vendor":"microsoft","product":"windows_server_1803"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"http://www.securityfocus.com/bid/106408","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0543","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/46156/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0543","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0543"},{"url":"https://www.exploit-db.com/exploits/46156"},{"url":"https://github.com/advisories/GHSA-3vmp-cf5x-w457"}],"sources":{"cve":[{"id":"CVE-2019-0543","description":"An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka \"Microsoft Windows Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","status":"published","published":"2019-01-08T21:00:00Z","modified":"2026-01-12T22:05:00.778Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:32:24.110857Z"}],"euvd":[{"id":"EUVD-2019-1314","description":"An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka \"Microsoft Windows Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","status":"published","published":"2019-01-08T21:00:00Z","modified":"2026-01-12T22:05:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-03-15","updated_at":"2026-11-02T19:48:52.739812Z"}],"ghsa":[{"id":"GHSA-3vmp-cf5x-w457","title":"An elevation of privilege vulnerability exists when Windows improperly handles authentication...","description":"An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka \"Microsoft Windows Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","status":"published","published":"2022-05-13T01:21:15Z","modified":"2025-10-22T00:32:42Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:04:06.493434Z"}],"kev":[{"id":"CVE-2019-0543","title":"Microsoft Windows Privilege Escalation Vulnerability","description":"A privilege escalation vulnerability exists when Windows improperly handles authentication requests. An attacker who successfully exploited this vulnerability could run processes in an elevated context.","cwes":["CWE-287"],"kev":{"date_added":"2022-03-15","due_date":"2022-04-05","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2019-0543","description":"An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka \"Microsoft Windows Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.","status":"published","published":"2019-01-08T21:29:00.517Z","modified":"2026-06-17T02:08:20.077Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:05:02.989216Z"}]}}