CriticalCritical vulnerability

CVE-2026-13043 (CVSS 9.3)

NVD · officialPublished Oct 1, 2026Risk 50/100

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.

Technical details

CVSS

9.3

AV:LocalAC:LowPR:LowUI:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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