CVE-2026-92254

MEDIUM CVSS 4.0: 6.9 EPSS 0.10%
Updated Sep 21, 2026
Microsoft
Parameter Value
CVSS 6.9 (MEDIUM)
Type CWE-306 (Missing Authentication for Critical Function), CWE-20 (Improper Input Validation)
Vendor Microsoft
Public PoC No

Missing Authorization in the IOCTL handlers of the wsdkd.sys kernel drivers in Watchdog WatchDog Antivirus 1.8.640 (driver versions 1.3.0.0 and earlier) on Microsoft Windows allows local, low-privileged attackers to delete arbitrary files with SYSTEM privileges, bypassing NTFS access controls and potentially disabling security products or destabilizing the operating system, via crafted IOCTL requests sent to the \Device\wsdk device.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

watchdog:anti-virus