Widely deployed RMM software; LPE to SYSTEM via permissive C:\Windows\Automation ACLs enabling full control in MSP environments.
CVE-2026-22676
Privilege escalation in Barracuda RMM via Automation ACLs.
Is CVE-2026-22676 being exploited?
Not confirmed. CVE-2026-22676 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.10% probability of exploitation in the next 30 days.
How severe is CVE-2026-22676?
CVE-2026-22676 is rated High with a CVSS score of 8.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-22676?
Yes. A fix has been recorded for CVE-2026-22676. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-22676 affect?
CVE-2026-22676 affects Barracuda RMM (pre-2025.2.2). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-22676?
Update to 2025.2.2 or later
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local privilege escalation to SYSTEM via ACL abuse on C:\Windows\Automation; attacker-controlled files run at next automation cycle.
Patch when possible
- affected< 2025.2.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.