{"id":"CVE-2026-69587","aliases":["EUVD-2026-73024","GHSA-9c9j-mggh-28xf"],"status":"published","title":"Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability","description":"Null pointer dereference in Windows IKE Extension 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":"2026-11-11","score":0.01174,"percentile":0.67935,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-09-08T17:11:49Z","modified":"2026-11-10T21:30:33Z","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-2026-69587","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69587"},{"url":"https://github.com/advisories/GHSA-9c9j-mggh-28xf"}],"sources":{"cve":[{"id":"CVE-2026-69587","title":"Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability","description":"Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-09-08T17:11:49.226Z","modified":"2026-11-10T21:30:33.291Z","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-476"],"updated_at":"2026-11-10T22:48:53.006191Z"}],"euvd":[{"id":"EUVD-2026-73024","description":"Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-09-08T17:11:49Z","modified":"2026-11-10T21:30:33Z","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":"2026-11-10T22:23:53.507714Z"}],"ghsa":[{"id":"GHSA-9c9j-mggh-28xf","title":"Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service...","description":"Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-09-08T18:32:47Z","modified":"2026-09-08T18:32:56Z","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-476"],"updated_at":"2026-11-02T15:11:31.661331Z"}],"nvd":[{"id":"CVE-2026-69587","description":"Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-09-08T18:19:28.843Z","modified":"2026-09-18T14:40:37.947Z","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-476"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}