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CVE-2026-18634

Last refreshed2026-10-23

Status: UPDATED  |  Advisory ID: CVE-2026-18634

Key Details

CVECVE-2026-18634
CVSS Score / Version
8.4 (High) / CVSS v3.1
Updated2026-10-23
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is local; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
SonicWall GMS
Classified as
CWE-502 (Deserialization of Untrusted Data)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
SonicWallGMS
SubsystemsGeneral OT
SectorsMultiple

What to Know

An insecure handling of serialized objects vulnerability was found in the one of the service of GMS application 9.5.1 (Build 9510.1044) and earlier versions. A local attacker with the ability to interact with the service could exploit this behavior to perform unauthorized actions through the affected component. (NVD)

What to Do

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

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-18634
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-18634
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