Vulnerability in Barracuda Networks Rmm
CVE-2026-22676
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.
EPSS: 0.001 (1.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Barracuda Networks Rmm — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-22676?
- CVE-2026-22676 is a high-severity vulnerability in Barracuda Networks Rmm, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2026-04-15.
- How severe is CVE-2026-22676?
- High severity. CVSS v3 base score is 7.8 out of 10.