Local Privilege Escalation in Suricata's Windows Service Installation Process
CVE-2026-57223

7HIGH

Key Information:

Vendor

Oisf

Status
Suricata
Vendor
CVE Published:
18 September 2026

What is CVE-2026-57223?

A security flaw in Suricata, a prominent network intrusion detection and prevention system, allows for local privilege escalation via its Windows service installation process. If the application is installed in a directory path that includes spaces and one of the earlier path components is writable by a user with low privileges, an attacker could exploit this to execute arbitrary code with LocalSystem privileges. This vulnerability is addressed in Suricata versions 7.0.17 and 8.0.6.

Affected Version(s)

suricata >= 8.0.0, < 8.0.6 < 8.0.0, 8.0.6

suricata < 7.0.17 < 7.0.17

References

https://github.com/OISF/suricata/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/OISF/suricata/pull/15676
x_refsource_MISC
https://github.com/OISF/suricata/commit/0dad38fff024b4fec...
x_refsource_MISC

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.