CVE-2026-18634 — HIGH (8.4)

Vulnerability Description

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.

CVSS Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-502

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011

FAQ

What is CVE-2026-18634?

CVE-2026-18634 is a vulnerability with a CVSS score of 8.4 (HIGH). 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 inter...

How severe is CVE-2026-18634?

CVE-2026-18634 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18634?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.