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Critical · 9.3 Public exploit CVE-2026-13043 EUVD-2026-90898GHSA-33g3-qcrh-xvc2

WatchGuard Endpoint Security Missing Authentication in Kernel Memory Access Driver Allows Arbitrary Kernel Memory Access

Published Oct 1, 2026 · Updated Oct 1, 2026 · Assigned by WatchGuard

Vendor: WatchGuard Product: Endpoint Security

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.

Affected products

VendorProductAffectedFixed
WatchGuard Endpoint Security < 8.00.26.0012 8.00.26.0012

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • TheMalwareGuardian/CVE-2026-13043 ★ 4 · Oct 7, 2026

    CVE-2026-13043 - Exploiting Panda / WatchGuard pskmad.sys authentication bypass for privileged IOCTL access, MSR disclosure and arbitrary process memory reads.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References