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SonicWall Network Security Manager (NSM) Authorization Bypass Permits Privilege Escalation

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-96540

Key Details

CVECVE-2026-96540
CVSS Score / Version
8.8 (High) / CVSS v3.1
Updated2026-10-15
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
SonicWall Network Security Manager (NSM)
Classified as
CWE-863 (Incorrect Authorization)
Exploitation prediction (EPSS)
0.20% probability of exploitation in the next 30 days (10% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
SonicWallNetwork Security Manager (NSM)
SubsystemsGeneral OT
SectorsMultiple

What to Know

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. (NVD)

What to Do

Monitor SonicWall's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-96540
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-96540
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