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.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/ANYLNK/NSecSoftBYOVD
9119a7d8-5eab-497f-8521-727c672e3725
https://hexastrike.com/resources/blog/threat-intelligence/valleyrat-exploiting-…
9119a7d8-5eab-497f-8521-727c672e3725
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026…
9119a7d8-5eab-497f-8521-727c672e3725
https://www.cve.org/CVERecord?id=CVE-2025-68947
9119a7d8-5eab-497f-8521-727c672e3725
https://www.virustotal.com/gui/file/206f27ae820783b7755bca89f83a0fe096dbb510018…
9119a7d8-5eab-497f-8521-727c672e3725