CVE-2026-22676: Barracuda RMM < 2025.2.2 Privilege Escalation via Insecure Directory Permissions
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-22676?
CVE-2026-22676 is considered a high-severity privilege escalation vulnerability.
How do I fix CVE-2026-22676?
To fix CVE-2026-22676, upgrade to Barracuda RMM version 2025.2.2 or later.
Who is affected by CVE-2026-22676?
CVE-2026-22676 affects Barracuda RMM versions prior to 2025.2.2.
What type of vulnerability is CVE-2026-22676?
CVE-2026-22676 is a privilege escalation vulnerability.
What can an attacker do with CVE-2026-22676?
An attacker can gain SYSTEM-level privileges by exploiting the overly permissive filesystem ACLs.