Improper Neutralization of Special Elements in Data Query Logic in LogonTracer - CVE-2026-33566

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Main Vulnerability Database Vulnerabilities #VU126882

Improper Neutralization of Special Elements in Data Query Logic in LogonTracer - CVE-2026-33566

Published: April 23, 2026


Vulnerability identifier: #VU126882
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33566
CWE-ID: CWE-943
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: JPCERT/CC
Affected software:
LogonTracer

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper neutralization of special elements in data query logic. A remote attacker can load specially crafted Windows event log data and alter the contents of the database.


How to mitigate CVE-2026-33566

Install updates from vendor's website.

Sources