{"id":"CVE-2024-26254","aliases":["EUVD-2024-23530","GHSA-35gg-3hw5-mf59"],"status":"published","title":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","description":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.03136,"percentile":0.87997,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-822"],"published":"2024-04-09T17:00:11Z","modified":"2026-06-17T07:17:28Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h3"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_21h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26254","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26254"},{"url":"https://github.com/advisories/GHSA-35gg-3hw5-mf59"}],"sources":{"cve":[{"id":"CVE-2024-26254","title":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","description":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","status":"published","published":"2024-04-09T17:00:11.031Z","modified":"2025-05-03T00:39:11.194Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T14:33:59.512321Z"}],"euvd":[{"id":"EUVD-2024-23530","description":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","status":"published","published":"2024-04-09T17:00:11Z","modified":"2025-05-03T00:39:11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T20:51:54.432779Z"}],"ghsa":[{"id":"GHSA-35gg-3hw5-mf59","title":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","description":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","status":"published","published":"2024-04-09T18:30:26Z","modified":"2024-04-09T18:30:35Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T14:57:04.848214Z"}],"nvd":[{"id":"CVE-2024-26254","description":"Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability","status":"published","published":"2024-04-09T17:15:47.133Z","modified":"2026-06-17T07:17:28.627Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-822"],"updated_at":"2026-11-02T14:09:49.255123Z"}]}}