CVE-2026-13086

9.3 criticalEPSS 0.7%

A stack-based buffer overflow in the epm (Endpoint Protection Manager) service used by the deprecated Mobile Security feature in WatchGuard Fireware OS allows an unauthenticated remote attacker to execute arbitrary code.

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWEs: CWE-121, CWE-787, CWE-798
Published: 2026-08-28
Modified: 2026-09-03
Record from: the NVD, synced 2026-10-19

References

https://psirt.watchguard.com/CVE-2026-13086

Check your stack JSON