{"id":"CVE-2021-34477","title":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","summary":"Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-269"],"vendor":"microsoft","product":".net_education_bundle_sdk_install_tool","affected":[".net_education_bundle_sdk_install_tool >= 0.6.0, < 0.7.0",".net_install_tool_for_extension_authors >= 1.1.0, < 1.2.0"],"patched":[".net_education_bundle_sdk_install_tool 0.7.0",".net_install_tool_for_extension_authors 1.2.0"],"published":"2021-07-14","updated":"2026-08-10","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-34477","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34477","label":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00564,"epssPercentile":0.45673,"ingestedAt":"2026-08-10T16:41:16.282Z","slug":"CVE-2021-34477","body":"## Overview\n\nVisual Studio Code .NET Runtime Elevation of Privilege Vulnerability\n\n## Affected\n\n- `.net_education_bundle_sdk_install_tool >= 0.6.0, < 0.7.0`\n- `.net_install_tool_for_extension_authors >= 1.1.0, < 1.2.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `.net_education_bundle_sdk_install_tool 0.7.0`\n- `.net_install_tool_for_extension_authors 1.2.0`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}