{"id":"CVE-2021-28441","aliases":["EUVD-2021-15120","GHSA-fwx4-vmpq-qp63"],"status":"published","title":"Windows Hyper-V Information Disclosure Vulnerability","description":"Windows Hyper-V Information Disclosure Vulnerability","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00812,"percentile":0.5724,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-04-13T19:33:27Z","modified":"2026-06-17T03:46:21Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows server, version 1909 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28441","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28441"},{"url":"https://github.com/advisories/GHSA-fwx4-vmpq-qp63"}],"sources":{"cve":[{"id":"CVE-2021-28441","title":"Windows Hyper-V Information Disclosure Vulnerability","description":"Windows Hyper-V Information Disclosure Vulnerability","status":"published","published":"2021-04-13T19:33:27Z","modified":"2024-08-03T21:40:14.243Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-15120","description":"Windows Hyper-V Information Disclosure Vulnerability","status":"published","published":"2021-04-13T19:33:27Z","modified":"2024-08-03T21:40:14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T03:24:46.751124Z"}],"ghsa":[{"id":"GHSA-fwx4-vmpq-qp63","title":"Windows Hyper-V Information Disclosure Vulnerability","description":"Windows Hyper-V Information Disclosure Vulnerability","status":"published","published":"2022-05-24T17:47:24Z","modified":"2023-12-29T21:30:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:55:18.128107Z"}],"nvd":[{"id":"CVE-2021-28441","description":"Windows Hyper-V Information Disclosure Vulnerability","status":"published","published":"2021-04-13T20:15:19.577Z","modified":"2026-06-17T03:46:21.617Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}