CVE-2026-22676 Barracuda RMM < 2025.2.2 Privilege Escalation via Insecure Directory Permissions
Local attackers can gain SYSTEM privileges by modifying files in an insecure directory executed by the automation service.
- 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-2026-22676?
CVE-2026-22676 is a high-severity vulnerability in Barracuda Networks RMM, published on 15 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Barracuda RMM versions prior to 2025.2.2 contain a privilege escalation vulnerability that allows local attackers to gain SYSTEM-level privileges by exploiting overly permissive filesystem ACLs on the C:\Windows\Automation directory. Attackers can modify existing automation content or place attacker-controlled files in this directory, which are then executed under the NT AUTHORITY\SYSTEM account during routine automation cycles, typically succeeding within the next execution cycle.
Weakness: CWE-732
Which versions are affected by CVE-2026-22676?
How do I fix CVE-2026-22676?
No fix has been published for CVE-2026-22676 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-22676 being exploited?
There is no known exploitation of CVE-2026-22676 in the wild and no public exploit code.
Sources
Also known as GHSA-g6hr-fwwc-8cg8.