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CVE-2026-33566

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.

Published: Apr 27, 2026Updated: Apr 27, 2026 Sources: CVE List NVD
NVD MITRE
4.3CVSS
MEDIUM

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.

EPSS Score
0.0%
Top 90.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

CWE-943

Affected Products

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

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

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

Timeline

Published
Apr 27, 2026
Last Updated
Apr 27, 2026

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