What is CVE-2026-78328?

CVE-2026-78328 is a critical-severity vulnerability, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-09-04.

How severe is CVE-2026-78328?

Critical severity. CVSS v3 base score is 9.1 out of 10.

CVE-2026-78328

CVE-2026-78328

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.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

PSIRT@sonicwall.com

Frequently asked questions

What is CVE-2026-78328?: CVE-2026-78328 is a critical-severity vulnerability, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-09-04.
How severe is CVE-2026-78328?: Critical severity. CVSS v3 base score is 9.1 out of 10.