CheckMAL AppCheck Pro 3.1.43.10 Kernel Mini-Filter Driver AppCheckD.sys uncontrolled search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k1.27

Summaryinfo

A vulnerability labeled as problematic has been found in CheckMAL AppCheck Pro 3.1.43.10. Affected by this vulnerability is an unknown functionality in the library AppCheckD.sys of the component Kernel Mini-Filter Driver. Executing a manipulation can lead to uncontrolled search path. This vulnerability appears as CVE-2026-18605. The attack requires local access. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability has been found in CheckMAL AppCheck Pro 3.1.43.10 and classified as critical. This vulnerability affects an unknown part in the library AppCheckD.sys of the component Kernel Mini-Filter Driver. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at opcodic.notion.site. This vulnerability was named CVE-2026-18605. The exploitation appears to be difficult. The attack needs to be approached locally. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.

It is possible to download the exploit at opcodic.notion.site. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.0
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/03/2026 Advisory disclosed
08/03/2026 +0 days VulDB entry created
08/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: opcodic.notion.site
Status: Not defined

CVE: CVE-2026-18605 (🔒)
GCVE (CVE): GCVE-0-2026-18605
GCVE (VulDB): GCVE-100-385528
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/03/2026 09:12
Changes: 08/03/2026 09:12 (56)
Complete: 🔍
Submitter: opcodic
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #852044: CheckMAL AppCheck Pro 3.1.43.10 Creation of Temporary File in Directory with Insecure Permission (by opcodic)

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