{"id":"CVE-2026-83894","aliases":["EUVD-2026-121548","GHSA-6qf4-r3mr-3hpr"],"status":"published","title":"RPC Runtime Elevation of Privilege Vulnerability","description":"Use after free in RPC Runtime 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":"2026-11-14","score":0.00258,"percentile":0.17579,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-11-10T18:15:16Z","modified":"2026-11-10T21:33:58Z","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"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83894","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83894"},{"url":"https://github.com/advisories/GHSA-6qf4-r3mr-3hpr"}],"sources":{"cve":[{"id":"CVE-2026-83894","title":"RPC Runtime Elevation of Privilege Vulnerability","description":"Use after free in RPC Runtime allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:15:16.555Z","modified":"2026-11-13T18:04:10.87Z","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":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121548","description":"Use after free in RPC Runtime allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T18:15:16Z","modified":"2026-11-13T18:04:10Z","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":"2026-11-11T00:25:05.012422Z"}],"ghsa":[{"id":"GHSA-6qf4-r3mr-3hpr","title":"Use after free in RPC Runtime allows an authorized attacker to elevate privileges locally.","description":"Use after free in RPC Runtime allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T21:33:56Z","modified":"2026-11-10T21:33:58Z","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":"2026-11-10T21:57:55.411542Z"}],"nvd":[{"id":"CVE-2026-83894","description":"Use after free in RPC Runtime allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-11-10T19:21:23.903Z","modified":"2026-11-11T01:17:20.603Z","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":"2026-11-11T07:23:51.286099Z"}]}}