{"id":"CVE-2019-11490","aliases":["EUVD-2019-3163","GHSA-9cm6-882m-rwjg"],"status":"published","title":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter...","description":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter using either pcap_sendqueue_queue() or pcap_sendqueue_transmit() results in kernel pool corruption. This could lead to arbitrary code executing inside the Windows kernel and allow escalation of privileges.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00707,"percentile":0.53707,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-415"],"published":"2019-04-24T02:40:38Z","modified":"2026-10-24T10:30:34Z","products":[{"vendor":"nmap","product":"npcap"}],"references":[{"url":"https://github.com/nmap/nmap/issues/1568","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11490"},{"url":"https://github.com/advisories/GHSA-9cm6-882m-rwjg"}],"sources":{"cve":[{"id":"CVE-2019-11490","description":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter using either pcap_sendqueue_queue() or pcap_sendqueue_transmit() results in kernel pool corruption. This could lead to arbitrary code executing inside the Windows kernel and allow escalation of privileges.","status":"published","published":"2019-04-24T02:40:38Z","modified":"2024-08-04T22:55:40.638Z","updated_at":"2026-11-02T14:20:26.416173Z"}],"euvd":[{"id":"EUVD-2019-3163","description":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter using either pcap_sendqueue_queue() or pcap_sendqueue_transmit() results in kernel pool corruption. This could lead to arbitrary code executing inside the Windows kernel and allow escalation of privileges.","status":"published","published":"2019-04-24T02:40:38Z","modified":"2024-08-04T22:55:40Z","updated_at":"2026-11-03T02:40:48.932719Z"}],"ghsa":[{"id":"GHSA-9cm6-882m-rwjg","title":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter...","description":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter using either pcap_sendqueue_queue() or pcap_sendqueue_transmit() results in kernel pool corruption. This could lead to arbitrary code executing inside the Windows kernel and allow escalation of privileges.","status":"published","published":"2022-05-24T16:44:32Z","modified":"2024-04-04T00:04:42Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:55:48.925076Z"}],"nvd":[{"id":"CVE-2019-11490","description":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter using either pcap_sendqueue_queue() or pcap_sendqueue_transmit() results in kernel pool corruption. This could lead to arbitrary code executing inside the Windows kernel and allow escalation of privileges.","status":"published","published":"2019-04-24T03:29:00.267Z","modified":"2026-06-17T02:13:00.73Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:05:12.471695Z"}],"osv":[{"id":"CVE-2019-11490","description":"An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter using either pcap_sendqueue_queue() or pcap_sendqueue_transmit() results in kernel pool corruption. This could lead to arbitrary code executing inside the Windows kernel and allow escalation of privileges.","status":"published","published":"2019-04-24T03:29:00.267Z","modified":"2026-10-24T10:30:34.088828904Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:10.718934Z"}]}}