{"id":"CVE-2016-0099","aliases":["EUVD-2016-0137","GHSA-fq5j-826m-h5wc"],"status":"published","title":"The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1,...","description":"The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka \"Secondary Logon Elevation of Privilege Vulnerability.\"","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":"2026-11-08","score":0.37045,"percentile":0.98525,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-120","CWE-264"],"published":"2016-03-09T11:00:00Z","modified":"2026-06-17T00:36:55Z","kev":{"date_added":"2022-03-03","due_date":"2022-03-24","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2022-03-03"},{"source":"kev","since":"2022-03-03"}],"exploits":[{"source":"exploitdb","id":"EDB-39574","title":"Microsoft Windows 8.1/10 (x86) - Secondary Logon Standard Handles Missing Sanitization Privilege Escalation (MS16-032)","type":"local","platform":"windows_x86","date":"2016-03-21","verified":true,"url":"https://www.exploit-db.com/exploits/39574"},{"source":"metasploit","id":"exploit/windows/local/ms16_032_secondary_logon_handle_privesc","title":"MS16-032 Secondary Logon Handle Privilege Escalation","type":"exploit","platform":"Windows","date":"2016-03-21","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/local/ms16_032_secondary_logon_handle_privesc"},{"source":"exploitdb","id":"EDB-39719","title":"Microsoft Windows 7 \u003c 10 / 2008 \u003c 2012 R2 (x86/x64) - Local Privilege Escalation (MS16-032) (PowerShell)","type":"local","platform":"windows","date":"2016-04-21","verified":true,"url":"https://www.exploit-db.com/exploits/39719"},{"source":"exploitdb","id":"EDB-39809","title":"Microsoft Windows 7 \u003c 10 / 2008 \u003c 2012 (x86/x64) - Local Privilege Escalation (MS16-032)","type":"local","platform":"windows","date":"2016-04-25","verified":true,"url":"https://www.exploit-db.com/exploits/39809"},{"source":"exploitdb","id":"EDB-40107","title":"Microsoft Windows 7 \u003c 10 / 2008 \u003c 2012 (x86/x64) - Secondary Logon Handle Privilege Escalation (MS16-032) (Metasploit)","type":"local","platform":"windows","date":"2016-07-13","verified":true,"url":"https://www.exploit-db.com/exploits/40107"},{"source":"pocgithub","id":"zcgonvh/MS16-032","title":"zcgonvh/MS16-032","date":"2017-03-15","url":"https://github.com/zcgonvh/MS16-032"}],"products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1511"},{"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":"https://www.exploit-db.com/exploits/40107/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/39719/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/39809/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/84034","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1035210","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-032","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/39574/","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-2016-0099","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-0099"},{"url":"https://www.exploit-db.com/exploits/39574"},{"url":"https://www.exploit-db.com/exploits/39719"},{"url":"https://www.exploit-db.com/exploits/39809"},{"url":"https://www.exploit-db.com/exploits/40107"},{"url":"https://github.com/advisories/GHSA-fq5j-826m-h5wc"}],"sources":{"cve":[{"id":"CVE-2016-0099","description":"The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka \"Secondary Logon Elevation of Privilege Vulnerability.\"","status":"published","published":"2016-03-09T11:00:00Z","modified":"2025-10-21T23:55:54.947Z","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-120"],"updated_at":"2026-11-02T14:33:37.446553Z"}],"euvd":[{"id":"EUVD-2016-0137","description":"The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka \"Secondary Logon Elevation of Privilege Vulnerability.\"","status":"published","published":"2016-03-09T11:00:00Z","modified":"2025-10-21T23:55:54Z","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":"2022-03-03","updated_at":"2026-11-02T19:49:39.684828Z"}],"ghsa":[{"id":"GHSA-fq5j-826m-h5wc","title":"The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1,...","description":"The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka \"Secondary Logon Elevation of Privilege Vulnerability.\"","status":"published","published":"2022-05-14T02:25:54Z","modified":"2025-10-22T00:32:17Z","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-120"],"updated_at":"2026-11-02T15:04:04.786232Z"}],"kev":[{"id":"CVE-2016-0099","title":"Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability","description":"A privilege escalation vulnerability exists in Microsoft Windows if the Windows Secondary Logon Service fails to properly manage request handles in memory. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator.","cwes":["CWE-264"],"kev":{"date_added":"2022-03-03","due_date":"2022-03-24","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2016-0099","description":"The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka \"Secondary Logon Elevation of Privilege Vulnerability.\"","status":"published","published":"2016-03-09T11:59:09.59Z","modified":"2026-06-17T00:36:55.36Z","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":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:03:22.479119Z"}]}}