CVE-2026-18605

HIGH

CheckMAL AppCheck Pro Kernel Mini-Filter Driver AppCheckD.sys uncontrolled search path

Title source: cna
STIX 2.1

Description

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.

References (5)

Core 5
Core References
Vdb Entry vdb-entry
VDB-385528 | CheckMAL AppCheck Pro Kernel Mini-Filter Driver AppCheckD.sys uncontrolled search path
https://vuldb.com/vuln/385528
Signature, Permissions Required signature permissions-required
VDB-385528 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/385528/cti
Third Party Advisory third-party-advisory
CVE-2026-18605 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-18605
Third Party Advisory third-party-advisory
Submit #852044 | CheckMAL AppCheck Pro 3.1.43.10 Creation of Temporary File in Directory with Insecure Permission
https://vuldb.com/submit/852044

Scores

CVSS v3 7.0
EPSS 0.0012
EPSS Percentile 1.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-426 CWE-427
Status published
Products (1)
CheckMAL/AppCheck Pro 3.1.43.10
Published Aug 03, 2026
Tracked Since Aug 03, 2026