Vulnerability · Published Sep 4, 2026 · Assigned by sonicwall
CVE-2026-78328
Critical 9.1
In plain English
A critical-severity missing authorization in Network Security Manager (NSM) from SonicWall. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 59.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SonicWall | Network Security Manager (NSM) | 4.3.0 and earlier versions |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0015 vendor-advisory