CVE-2026-3006 Race Condition Vulnerability
A race condition in WinFSP allows attackers to trigger a kernel heap overflow, leading to local privilege escalation and system-level access.
- 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-2026-3006?
CVE-2026-3006 is a high-severity vulnerability in WinFSP, published on 27 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Successful exploitation of the race condition vulnerability could allow an attacker to trigger a kernel heap overflow, potentially leading to local privilege escalation and granting system-level access to the affected software.
Which versions are affected by CVE-2026-3006?
How do I fix CVE-2026-3006?
No fix has been published for CVE-2026-3006 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-3006 being exploited?
There is no known exploitation of CVE-2026-3006 in the wild and no public exploit code.
Sources
Also known as GHSA-799v-78v3-96jc.