Is CVE-2026-33566 in the CISA KEV catalog?

No. CVE-2026-33566 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-33566?

CVE-2026-33566 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-33566?

CVE-2026-33566 has an EPSS score of 0.18% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-33566?

Upgrade logontracer to 2.0.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-33566

MEDIUM

4.3

CVSS v3

NVD

Description

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.

CWE-943

How to fix

Remediation Available

logontracerNVD

Affected:< 2.0.0Fixed in:2.0.0CVE-2026-33566derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploit Intelligence

0.18%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-28.