CVE-2026-34009
8.4HighPublished 15 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-653
Impact
Attackers with local administrator credentials can fully compromise the underlying host system. They must first obtain a local admin account to exploit the flaw.
Root cause
Improper isolation or compartmentalization permits privileged users to escape intended operational boundaries.
Affected systems
Notes Station 3 versions prior to 3.9.11
CVSS v4.0 · CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Fix & remediation
Upgrade Notes Station 3 to version 3.9.11 or later via the QNAP App Center. If you cannot update immediately, disable or stop the Notes Station 3 application.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
An improper isolation or compartmentalization vulnerability has been reported to affect Notes Station 3. If a local attacker gains an administrator account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Notes Station 3 3.9.11 and later