CVE-2026-92254 WatchDog Antivirus kernel driver arbitrary file deletion via unauthenticated IOCTL
Local attackers can delete arbitrary files with SYSTEM privileges via unauthenticated IOCTLs, potentially disabling security software or destabilizing the OS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-92254?
CVE-2026-92254 is a medium-severity missing authorization vulnerability in Watchdog Anti-Virus, published on 20 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-92254?
How do I fix CVE-2026-92254?
No fix has been published for CVE-2026-92254 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-92254 being exploited?
There is no known exploitation of CVE-2026-92254 in the wild and no public exploit code.
Sources
Also known as GHSA-g5cw-xv36-rr58.