{"id":"CVE-2021-34412","aliases":["EUVD-2021-21070","GHSA-hv75-x87g-889h"],"status":"published","title":"During the installation process for all versions of the Zoom Client for Meetings for Windows...","description":"During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.","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":0.00433,"percentile":0.37838,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-09-27T13:55:55Z","modified":"2026-06-17T03:55:48Z","products":[{"vendor":"zoom","product":"meetings"},{"vendor":"zoom video communications inc","product":"zoom client for meetings for windows"}],"references":[{"url":"https://explore.zoom.us/en/trust/security/security-bulletin/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34412"},{"url":"https://cwe.mitre.org/data/definitions/266.html"},{"url":"https://github.com/advisories/GHSA-hv75-x87g-889h"}],"sources":{"cve":[{"id":"CVE-2021-34412","description":"During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.","status":"published","published":"2021-09-27T13:55:55Z","modified":"2024-08-04T00:12:50.096Z","updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21070","description":"During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.","status":"published","published":"2021-09-27T13:55:55Z","modified":"2024-08-04T00:12:50Z","updated_at":"2026-11-03T03:24:32.445199Z"}],"ghsa":[{"id":"GHSA-hv75-x87g-889h","title":"During the installation process for all versions of the Zoom Client for Meetings for Windows...","description":"During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.","status":"published","published":"2022-05-24T19:15:50Z","modified":"2023-01-30T05:02:20Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:46:37.149934Z"}],"nvd":[{"id":"CVE-2021-34412","description":"During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.","status":"published","published":"2021-09-27T14:15:08.267Z","modified":"2026-06-17T03:55:48.51Z","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","assessor":"primary"},{"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-269"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}