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CVE-2026-13043

8.8 · HIGH

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…

Published Oct 1, 2026watchguardCWE-306EPSS 0.15%

Overview

CVE-2026-13043 is a high-severity vulnerability affecting watchguard endpoint_security. It was published on October 1, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from watchguard. Update endpoint_security to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
watchguardendpoint_security>= 0, < 8.00.26.0012Affected

References

Refpsirt.watchguard.com/CVE-2026-13043

How CyberStrike helps

Frequently asked questions

What is CVE-2026-13043?

CVE-2026-13043 is a high-severity vulnerability affecting watchguard endpoint_security. It was published on October 1, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-13043?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-13043?

Check the references section for vendor advisories and patches from watchguard. Update endpoint_security to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-13043?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-13043 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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