{"id":"CVE-2019-1229","aliases":["EUVD-2019-9796","GHSA-g2cr-4r55-7gww"],"status":"published","title":"Dynamics On-Premise Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists in Dynamics On-Premise v9. An attacker who successfully exploited the vulnerability could leverage a customizer privilege within Dynamics to gain control of the Web Role hosting the Dynamics installation.\nTo exploit this vulnerability, an attacker needs to have credentials for a user that has permission to author customized business rules in Dynamics, and persist XAML script in a way that causes it to be interpreted as code.\nThe update addresses the vulnerability by restricting XAML activities to a whitelisted set.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/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":0.03454,"percentile":0.89111,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2019-08-14T20:55:06Z","modified":"2026-06-17T02:28:11Z","products":[{"vendor":"microsoft","product":"dynamics_365"},{"vendor":"microsoft","product":"microsoft dynamics 365 (on-premises) version 9.0"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1229","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1229"},{"url":"https://github.com/advisories/GHSA-g2cr-4r55-7gww"}],"sources":{"cve":[{"id":"CVE-2019-1229","title":"Dynamics On-Premise Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists in Dynamics On-Premise v9. An attacker who successfully exploited the vulnerability could leverage a customizer privilege within Dynamics to gain control of the Web Role hosting the Dynamics installation.\nTo exploit this vulnerability, an attacker needs to have credentials for a user that has permission to author customized business rules in Dynamics, and persist XAML script in a way that causes it to be interpreted as code.\nThe update addresses the vulnerability by restricting XAML activities to a whitelisted set.","status":"published","published":"2019-08-14T20:55:06Z","modified":"2024-08-04T18:13:30.206Z","updated_at":"2026-11-02T14:20:26.034547Z"}],"euvd":[{"id":"EUVD-2019-9796","description":"An elevation of privilege vulnerability exists in Dynamics On-Premise v9. An attacker who successfully exploited the vulnerability could leverage a customizer privilege within Dynamics to gain control of the Web Role hosting the Dynamics installation.\nTo exploit this vulnerability, an attacker needs to have credentials for a user that has permission to author customized business rules in Dynamics, and persist XAML script in a way that causes it to be interpreted as code.\nThe update addresses the vulnerability by restricting XAML activities to a whitelisted set.","status":"published","published":"2019-08-14T20:55:06Z","modified":"2024-08-04T18:13:30Z","updated_at":"2026-11-03T03:06:58.233851Z"}],"ghsa":[{"id":"GHSA-g2cr-4r55-7gww","title":"An elevation of privilege vulnerability exists in Dynamics On-Premise v9, aka 'Dynamics On...","description":"An elevation of privilege vulnerability exists in Dynamics On-Premise v9, aka 'Dynamics On-Premise Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T16:53:35Z","modified":"2024-04-04T01:39:34Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:01.233613Z"}],"nvd":[{"id":"CVE-2019-1229","description":"An elevation of privilege vulnerability exists in Dynamics On-Premise v9. An attacker who successfully exploited the vulnerability could leverage a customizer privilege within Dynamics to gain control of the Web Role hosting the Dynamics installation.\nTo exploit this vulnerability, an attacker needs to have credentials for a user that has permission to author customized business rules in Dynamics, and persist XAML script in a way that causes it to be interpreted as code.\nThe update addresses the vulnerability by restricting XAML activities to a whitelisted set.","status":"published","published":"2019-08-14T21:15:19.097Z","modified":"2026-06-17T02:28:11.143Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:22.878504Z"}]}}