CVE-2026-96540
High
Description
An improper access control vulnerability has been identified in the SonicWall Network Security Manager (NSM) on-prem in export settings, potentially allowing a remote authenticated attacker to obtain sensitive information. This may allow the attacker to escalate privileges to an administrator or to intercept communications of other users of the NSM instance.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Network Security Manager (NSM)
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| SonicWall Network Security Manager (NSM) | 4.3.1 and earlier versions | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.