Vulnerability in Checkmal Appcheck Pro

CVE-2026-18605

A security flaw has been discovered in CheckMAL AppCheck Pro 3.1.43.10. Affected is an unknown function in the library AppCheckD.sys of the component Kernel Mini-Filter Driver. Performing a manipulation results in uncontrolled search path. The attack requires a local approach. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.001 (1.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18605?
CVE-2026-18605 is a high-severity vulnerability in Checkmal Appcheck Pro, classified under Untrusted Search Path. CVSS score: 7.0/10. Published 2026-08-03.
How severe is CVE-2026-18605?
High severity. CVSS v3 base score is 7.0 out of 10.