CVE-2025-12683 NULL DACL assigned to Named Pipe communicating with SYSTEM Service
A local attacker can exploit a NULL DACL on a named pipe to cause denial of service or potentially escalate privileges in the Everything search utility.
- 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-2025-12683?
CVE-2025-12683 is a medium-severity missing authorization vulnerability in Voidtools Everything, published on 4 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The service employed by Everything, running as SYSTEM, communicates with the lower privileged Everything GUI via a named pipe. The named pipe has a NULL DACL and thus provides all users full permission over it; leading to potential Service Denial Of Service or Privilege escalation(only if chained with other elements) for a local low privilege user.
Weakness: CWE-269
Which versions are affected by CVE-2025-12683?
How do I fix CVE-2025-12683?
No fix has been published for CVE-2025-12683 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-2025-12683 being exploited?
There is no known exploitation of CVE-2025-12683 in the wild and no public exploit code.
Sources
Also known as GHSA-m6v3-xvp5-5g2q.