{"id":"CVE-2019-1069","aliases":["EUVD-2019-9651","GHSA-gf8w-3v8h-w6hr"],"status":"published","title":"Task Scheduler Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system.\nTo exploit the vulnerability, an attacker would require unprivileged code execution on a victim system.\nThe security update addresses the vulnerability by correctly validating file operations.","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/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-06","score":0.06167,"percentile":0.93516,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-59"],"published":"2019-06-12T13:49:41Z","modified":"2026-08-12T05:17:22Z","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":"pocgithub","id":"S3cur3Th1sSh1t/SharpPolarBear","title":"S3cur3Th1sSh1t/SharpPolarBear","date":"2019-06-03","url":"https://github.com/S3cur3Th1sSh1t/SharpPolarBear"}],"products":[{"vendor":"microsoft","product":"task scheduler"},{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1703"},{"vendor":"microsoft","product":"windows 10 version 1709"},{"vendor":"microsoft","product":"windows 10 version 1709 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1803"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1803  (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"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_10_1903"},{"vendor":"microsoft","product":"windows_server_1803"},{"vendor":"microsoft","product":"windows_server_1903"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069","tags":["vendor-advisory","Patch","Vendor Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/119704","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1069","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://blog.0patch.com/2019/06/another-task-scheduler-0day-another.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1069","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1069"},{"url":"https://github.com/advisories/GHSA-gf8w-3v8h-w6hr"}],"sources":{"cve":[{"id":"CVE-2019-1069","title":"Task Scheduler Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system.\nTo exploit the vulnerability, an attacker would require unprivileged code execution on a victim system.\nThe security update addresses the vulnerability by correctly validating file operations.","status":"published","published":"2019-06-12T13:49:41Z","modified":"2026-08-12T03:55:58.374Z","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/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:20:25.661187Z"}],"euvd":[{"id":"EUVD-2019-9651","description":"An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system.\nTo exploit the vulnerability, an attacker would require unprivileged code execution on a victim system.\nThe security update addresses the vulnerability by correctly validating file operations.","status":"published","published":"2019-06-12T13:49:41Z","modified":"2026-08-12T03:55:58Z","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/E:P/RL:O/RC:C","level":"high"}],"exploited_since":"2022-03-15","updated_at":"2026-11-02T18:01:59.11112Z"}],"ghsa":[{"id":"GHSA-gf8w-3v8h-w6hr","title":"An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates...","description":"An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations, aka 'Task Scheduler Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T16:47:55Z","modified":"2025-10-22T00:31:42Z","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-59"],"updated_at":"2026-11-02T15:04:04.176931Z"}],"kev":[{"id":"CVE-2019-1069","title":"Microsoft Task Scheduler Privilege Escalation Vulnerability","description":"A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.","cwes":["CWE-59"],"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-2019-1069","description":"An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system.\nTo exploit the vulnerability, an attacker would require unprivileged code execution on a victim system.\nThe security update addresses the vulnerability by correctly validating file operations.","status":"published","published":"2019-06-12T14:29:04.337Z","modified":"2026-08-12T05:17:22.517Z","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":"secondary"},{"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":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:05:16.285679Z"}]}}