{"id":"CVE-2021-34477","aliases":["EUVD-2021-21132"],"status":"published","title":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","description":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","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:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00569,"percentile":0.47436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-07-14T17:54:06Z","modified":"2026-10-24T10:31:03Z","products":[{"vendor":"microsoft","product":".net education bundle sdk install tool"},{"vendor":"microsoft","product":".net install tool for extension authors"},{"vendor":"microsoft","product":".net_education_bundle_sdk_install_tool"},{"vendor":"microsoft","product":".net_install_tool_for_extension_authors"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34477","tags":["vendor-advisory","patch","web"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]}],"sources":{"cve":[{"id":"CVE-2021-34477","title":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","description":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","status":"published","published":"2021-07-14T17:54:06Z","modified":"2026-08-10T15:12:05.527Z","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:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21132","description":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","status":"published","published":"2021-07-14T17:54:06Z","modified":"2026-08-10T15:12:05Z","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:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:03.332437Z"}],"nvd":[{"id":"CVE-2021-34477","description":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","status":"published","published":"2021-07-14T18:15:11.26Z","modified":"2026-08-10T16:17:49.38Z","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":"secondary"},{"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":"2026-11-02T14:06:55.747384Z"}],"osv":[{"id":"CVE-2021-34477","description":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","status":"published","published":"2021-07-14T18:15:11.26Z","modified":"2026-10-24T10:31:03.859071122Z","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"}],"updated_at":"2026-11-02T15:44:20.13324Z"}]}}