{"id":"CVE-2026-96945","aliases":["EUVD-2026-100268","GHSA-crcp-m7rc-ffm7"],"status":"published","title":"Windows Failover Cluster Denial of Service Vulnerability","description":"Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.","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":"2026-11-12","score":0.01054,"percentile":0.64849,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2026-10-13T19:01:26Z","modified":"2026-11-10T20:45:16Z","products":[{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96945","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96945"},{"url":"https://github.com/advisories/GHSA-crcp-m7rc-ffm7"}],"sources":{"cve":[{"id":"CVE-2026-96945","title":"Windows Failover Cluster Denial of Service Vulnerability","description":"Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T19:01:26.333Z","modified":"2026-11-10T20:45:16.145Z","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-248"],"updated_at":"2026-11-10T22:18:30.298108Z"}],"euvd":[{"id":"EUVD-2026-100268","description":"Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T19:01:26Z","modified":"2026-11-10T20:45:16Z","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":"2026-11-10T22:23:56.272923Z"}],"ghsa":[{"id":"GHSA-crcp-m7rc-ffm7","title":"Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service...","description":"Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T21:37:08Z","modified":"2026-10-13T21:37:14Z","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-248"],"updated_at":"2026-11-02T15:13:20.228797Z"}],"nvd":[{"id":"CVE-2026-96945","description":"Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T19:22:06.733Z","modified":"2026-10-16T10:41:36.403Z","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-248"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}