{"id":"CVE-2021-42304","aliases":["EUVD-2021-29279","GHSA-xjmr-q9w7-m3w7"],"status":"published","title":"Azure RTOS Elevation of Privilege Vulnerability","description":"Azure RTOS Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00693,"percentile":0.53343,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-11-10T00:47:37Z","modified":"2026-08-19T18:31:42Z","products":[{"vendor":"microsoft","product":"azure real time operating system"},{"vendor":"microsoft","product":"azure_real_time_operating_system"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42304","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42304","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42304"},{"url":"https://github.com/advisories/GHSA-xjmr-q9w7-m3w7"}],"sources":{"cve":[{"id":"CVE-2021-42304","title":"Azure RTOS Elevation of Privilege Vulnerability","description":"Azure RTOS Elevation of Privilege Vulnerability","status":"published","published":"2021-11-10T00:47:37Z","modified":"2026-08-19T16:27:04.032Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29279","description":"Azure RTOS Elevation of Privilege Vulnerability","status":"published","published":"2021-11-10T00:47:37Z","modified":"2026-08-19T16:27:04Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:43.218519Z"}],"ghsa":[{"id":"GHSA-xjmr-q9w7-m3w7","title":"Azure RTOS Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-42302, CVE...","description":"Azure RTOS Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-42302, CVE-2021-42303.","status":"published","published":"2022-05-24T19:20:21Z","modified":"2026-08-19T18:31:42Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:10:40.943268Z"}],"nvd":[{"id":"CVE-2021-42304","description":"Azure RTOS Elevation of Privilege Vulnerability","status":"published","published":"2021-11-10T01:19:48.843Z","modified":"2026-08-19T17:18:02.31Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","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-269"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}