CVE-2026-13043

A missing authentication vulnerability in the Kernel Memory Access Driver (PSKMAD) used by WatchGuard endpoint security products allows a local, authenticated attacker to bypass the driver's access-control handshake and issue arbitrary privileged commands to the driver, resulting in disclosure of kernel and process memory.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://psirt.watchguard.com/CVE-2026-13043	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:watchguard:endpoint_security:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

16 Oct 2026, 13:43

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
First Time		Watchguard endpoint Security Watchguard Microsoft windows Microsoft
References	~~() https://psirt.watchguard.com/CVE-2026-13043 -~~	() https://psirt.watchguard.com/CVE-2026-13043 - Patch, Vendor Advisory
CPE		cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:a:watchguard:endpoint_security::::::::

01 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-01 17:17

Updated : 2026-10-16 13:43

NVD link : CVE-2026-13043

Mitre link : CVE-2026-13043

CVE.ORG link : CVE-2026-13043

JSON object : View

Products Affected

watchguard

endpoint_security

microsoft

windows

CWE

CWE-306

Missing Authentication for Critical Function

CWE-798

Use of Hard-coded Credentials

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