An issue was discovered in Npcap 0.992
Published Apr 24, 2019
7.8
HIGHCVSS 3.0
EPSS 0.71%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.71% (0.00707) | 51.70th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.71% (0.00707) | 51.98th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00051) | 20.64th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00051) | 20.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 18.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Jan 5, 2022 | 0.42% (0.00416) | 26.65th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://github.com/nmap/nmap/issues/1568 x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/nmap/nmap/issues/1568 | x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory |
Change history (0)
No recorded changes yet.