{"id":"CVE-2026-25170","aliases":["EUVD-2026-10634","GHSA-vwfp-g4pw-vm68"],"status":"published","title":"Windows Hyper-V Elevation of Privilege Vulnerability","description":"Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/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":"2026-11-11","score":0.00312,"percentile":0.24339,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-03-10T17:04:50Z","modified":"2026-06-19T18:17:36Z","products":[{"vendor":"microsoft","product":"windows 11 version 22h3"},{"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 2022, 23h2 edition (server core installation)"},{"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_2022_23h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25170","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25170"},{"url":"https://github.com/advisories/GHSA-vwfp-g4pw-vm68"}],"sources":{"cve":[{"id":"CVE-2026-25170","title":"Windows Hyper-V Elevation of Privilege Vulnerability","description":"Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T17:04:50.712Z","modified":"2026-06-19T18:17:36.093Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T13:41:30.911526Z"}],"euvd":[{"id":"EUVD-2026-10634","description":"Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T17:04:50Z","modified":"2026-06-19T18:17:36Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:20:35.844489Z"}],"ghsa":[{"id":"GHSA-vwfp-g4pw-vm68","title":"Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","description":"Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T18:31:20Z","modified":"2026-03-10T18:31:26Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:06:32.599326Z"}],"nvd":[{"id":"CVE-2026-25170","description":"Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T18:18:31.07Z","modified":"2026-06-17T10:24:13.757Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:08.279852Z"}]}}