{"id":"CVE-2026-119960","aliases":["EUVD-2026-122452","GHSA-rr64-9xrg-x98p"],"status":"published","title":"Windows Hyper-V Elevation of Privilege Vulnerability","description":"Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-908"],"published":"2026-11-10T18:23:45Z","modified":"2026-11-10T21:33:47Z","products":[{"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 11 version 26h2"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119960","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119960"},{"url":"https://github.com/advisories/GHSA-rr64-9xrg-x98p"}],"sources":{"cve":[{"id":"CVE-2026-119960","title":"Windows Hyper-V Elevation of Privilege Vulnerability","description":"Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:23:45.279Z","modified":"2026-11-10T19:44:00.51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-908"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-122452","description":"Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:23:45Z","modified":"2026-11-10T19:44:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T19:22:07.605308Z"}],"ghsa":[{"id":"GHSA-rr64-9xrg-x98p","title":"Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate...","description":"Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T21:33:39Z","modified":"2026-11-10T21:33:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-908"],"updated_at":"2026-11-10T21:57:54.561479Z"}],"nvd":[{"id":"CVE-2026-119960","description":"Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T19:20:20.277Z","modified":"2026-11-10T19:20:20.403Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-10T22:21:33.392456Z"}]}}