CVE-2019-11490

HIGH

Npcap 0.992 - Privilege Escalation

Title source: llm

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.

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 9.5%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-415
Status published

Affected Products (1)

nmap/npcap

Timeline

Published Apr 24, 2019
Tracked Since Feb 18, 2026