Email Security and management
CVE-2026-78328: Missing authorization in Network Security Manager (NSM)
A missing authorization vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows a lower-privileged Admin user to escalate privileges to SuperAdmin.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityCRITICALCVSS 3.1 9.1
EPSS0.46%Chance of exploitation in 30 days
Public exploitNot tracked
FixSee advisory
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Network Security Manager (NSM) (Linux, On-Prem) 4.3 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A missing authorization vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows a lower-privileged Admin user to escalate privileges to SuperAdmin.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.