CVE-2026-13043CWE-306CWE-798hardcoded-credentials

CVE-2026-13043

High · published October 1, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
2.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.3 · CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.00126 · 2.1th percentile
Weaknesses
CWE-306 · Missing Authentication for Critical Function; CWE-798 · Use of Hard-coded Credentials
Published
2026-10-01T21:17Z
Affected products (1)
ProductVersionsFixed in
watchguard/endpoint_security< 8.00.26.00128.00.26.0012
References (1)
https://psirt.watchguard.com/CVE-2026-13043 · 5d1c2695-1a31-4499-88ae-e847036fd7e3
EPSS history
Timeline
  • 03 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 01 OCT 16:07Z
    WatchGuard Endpoint Security Missing Authentication in Kernel Memory Access Driver Allows Arbitrary Kernel Memory Access
    cvelistv5