{"id":"CVE-2026-47652","aliases":["EUVD-2026-35517","GHSA-6j5p-j4fx-r97w"],"status":"published","title":"Windows Hyper-V Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00341,"percentile":0.27845,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-06-09T17:05:10Z","modified":"2026-11-10T23:24:04Z","products":[{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47652","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47652"},{"url":"https://github.com/advisories/GHSA-6j5p-j4fx-r97w"}],"sources":{"cve":[{"id":"CVE-2026-47652","title":"Windows Hyper-V Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.","status":"published","published":"2026-06-09T17:05:10.536Z","modified":"2026-11-10T23:24:04.275Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-11T00:50:10.599584Z"}],"euvd":[{"id":"EUVD-2026-35517","description":"Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.","status":"published","published":"2026-06-09T17:05:10Z","modified":"2026-11-10T23:24:04Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-11T00:24:45.886763Z"}],"ghsa":[{"id":"GHSA-6j5p-j4fx-r97w","title":"Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.","description":"Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-06-09T18:30:55Z","modified":"2026-06-09T18:31:03Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:08:42.112356Z"}],"nvd":[{"id":"CVE-2026-47652","description":"Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.","status":"published","published":"2026-06-09T17:17:36.623Z","modified":"2026-07-23T08:10:00.137Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:23.109705Z"}]}}