CVE-2025-68947

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
cisa-cgCNA
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
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