Privilege Escalation Vulnerability in Barracuda RMM Affecting Local Users
CVE-2026-22676

8.5HIGH

Key Information:

Vendor

Barracuda Networks

Status
Rmm
Vendor
CVE Published:
15 April 2026

What is CVE-2026-22676?

Barracuda RMM versions prior to 2025.2.2 contain a privilege escalation vulnerability due to weak filesystem access control lists (ACLs) on the C:\Windows\Automation directory. This flaw allows local attackers to elevate their privileges to SYSTEM-level. By manipulating automation content or introducing malicious files into this directory, attackers can execute arbitrary code with elevated privileges during routine automation cycles, posing significant risks to system integrity and security.

Affected Version(s)

RMM 0 < 2025.2.2

References

https://download.mw-rmm.barracudamsp.com/PDF/2025.2.2/RN_...
vendor-advisorypatch
https://www.vulncheck.com/advisories/barracuda-rmm-privil...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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