CVE WatchSep 29, 2026

CVE-2026-57223

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.

CVSS

7.0

High

EPSS

0.2%

KEV

—

Exploit Today

0-100

Published: Sep 18, 2026 · Last modified: Sep 29, 2026 · CWE-428

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-10-052026-11-02

Technical description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, the Windows service installation and parameter-update logic in src/win32-service.c can pass an unquoted service ImagePath to CreateServiceA. When Suricata is installed below a path containing spaces and an earlier path component is writable by a local low-privileged attacker, Windows can execute an attacker-controlled program as LocalSystem, resulting in local privilege escalation. This issue is fixed in versions 8.0.6 and 7.0.17.

Official references

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