CVE-2026-33566

CVSS 5.1 MEDIUMEPSS 0.2%CWE-943

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.1EPSS 0.2%KEV nãoPoC —Patch —

Lifecycle

27 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

There is a cypher injection issue in LogonTracer prior to v2.0.0. If specially crafted Windows event log data is loaded, the contents of the database may be altered.

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

Affected products

Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) · LogonTracer

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References

https://jvn.jp/en/jp/JVN57877356/https://www.jpcert.or.jp/press/2026/PR20260423.html