{"id":"CVE-2020-0787","aliases":["EUVD-2020-2274","GHSA-2ffp-p9mj-92cf"],"status":"published","title":"An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer...","description":"An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.42524,"percentile":0.98715,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-269","CWE-59"],"published":"2020-03-12T15:48:16Z","modified":"2026-08-12T05:17:28Z","kev":{"date_added":"2022-01-28","due_date":"2022-07-28","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2022-01-28"},{"source":"kev","since":"2022-01-28"}],"exploits":[{"source":"metasploit","id":"exploit/windows/local/cve_2020_0787_bits_arbitrary_file_move","title":"Background Intelligent Transfer Service Arbitrary File Move Privilege Elevation Vulnerability","type":"exploit","platform":"Windows","date":"2020-03-10","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/local/cve_2020_0787_bits_arbitrary_file_move"},{"source":"pocgithub","id":"cbwang505/CVE-2020-0787-EXP-ALL-WINDOWS-VERSION","title":"cbwang505/CVE-2020-0787-EXP-ALL-WINDOWS-VERSION","date":"2020-06-16","url":"https://github.com/cbwang505/CVE-2020-0787-EXP-ALL-WINDOWS-VERSION"},{"source":"pocgithub","id":"yanghaoi/CVE-2020-0787","title":"yanghaoi/CVE-2020-0787","date":"2021-11-16","url":"https://github.com/yanghaoi/CVE-2020-0787"}],"products":[{"vendor":"microsoft","product":"windows"},{"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 10 version 1909 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1909 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1909 for x64-based systems"},{"vendor":"microsoft","product":"windows server"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1909 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"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_10_1909"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_1803"},{"vendor":"microsoft","product":"windows_server_1903"},{"vendor":"microsoft","product":"windows_server_1909"},{"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":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0787","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/158056/Background-Intelligent-Transfer-Service-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0787","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0787"},{"url":"https://github.com/advisories/GHSA-2ffp-p9mj-92cf"}],"sources":{"cve":[{"id":"CVE-2020-0787","description":"An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.","status":"published","published":"2020-03-12T15:48:16Z","modified":"2026-08-12T03:55:52.056Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:35:59.763887Z"}],"euvd":[{"id":"EUVD-2020-2274","description":"An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.","status":"published","published":"2020-03-12T15:48:16Z","modified":"2026-08-12T03:55:52Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-01-28","updated_at":"2026-11-02T18:01:59.11112Z"}],"ghsa":[{"id":"GHSA-2ffp-p9mj-92cf","title":"An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer...","description":"An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:10:55Z","modified":"2025-10-22T00:31:51Z","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"}],"cwes":["CWE-59","CWE-269"],"updated_at":"2026-11-02T15:04:04.176931Z"}],"kev":[{"id":"CVE-2020-0787","title":"Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability","description":"Microsoft Windows BITS is vulnerable to to a privilege elevation vulnerability if it improperly handles symbolic links. An actor can exploit this vulnerability to execute arbitrary code with system-level privileges.","cwes":["CWE-269","CWE-59"],"kev":{"date_added":"2022-01-28","due_date":"2022-07-28","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2020-0787","description":"An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.","status":"published","published":"2020-03-12T16:15:15.203Z","modified":"2026-08-12T05:17:28.02Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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:N/UI:R/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-59"],"updated_at":"2026-11-02T14:05:55.32877Z"}]}}