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Vulnerability record · CVE-2025-68947 · published 13 January 2026

CVE-2025-68947: Missing authorization vulnerability

NSecsoft 'NSecKrnl' is a Windows driver that allows a local, authenticated attacker to terminate processes owned by other users, including SYSTEM and Protected Processes by issuing crafted IOCTL requests to the driver.

5.7 CVSS 4.0 Medium EPSS 0.14% · top 96.9% CWE-862 · Missing authorization Deferred
5.7CVSS 4.0 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

NSecsoft 'NSecKrnl' is a Windows driver that allows a local, authenticated attacker to terminate processes owned by other users, including SYSTEM and Protected Processes by issuing crafted IOCTL requests to the driver.

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Exploitation in the wild

Ransomware crews whose documented playbooks reference this CVE:

reynolds logoReynolds
able for embedding BYOVD (Bring Your Own Vulnerable Driver) defense evasion by exploiting

References

LinkTags
https://github.com/ANYLNK/NSecSoftBYOVD
https://hexastrike.com/resources/blog/threat-intelligence/valleyrat-exploiting-byovd-to-kill-endpoint-security/
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-013-01.json
https://www.cve.org/CVERecord?id=CVE-2025-68947
https://www.virustotal.com/gui/file/206f27ae820783b7755bca89f83a0fe096dbb510018dd65b63fc80bd20c03261

Track CVE-2025-68947 inside VULONE

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-68947), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.