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CVE intelligence

CVE-2026-96540

Vulnerability intelligence

Published Oct 14, 2026Sources checked Oct 21, 2026
8.8HIGHCVSS out of 10
What this means

Review the available evidence

CVE-2026-96540 and is rated High severity with a CVSS score of 8.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

SonicWall PSIRT Advisories guidance

Vendor revision: Oct 14, 2026

Install the applicable fixed SonicWall release for your product and branch.

Vendor-listed releases

  • Fixed Product(s): Fixed Versions
  • Network Security Manager (NSM) On-Prem (VMWare, Hyper-V, Azure and KVM): 4.4.0 and higher versions.
CISA KEVNot listedBased on the latest collected catalog
EPSS0.3%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview

What is CVE-2026-96540?

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.

Source: NVD