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.

CVSS v3 7.0 HIGH
CVSS v2.0 6.0 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:H/Au:S/C:C/I:C/A:C

Exploitability : 1.5 / Impact : 10.0

Access Vector LOCAL

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://opcodic.notion.site/AppCheck-Pro-Vulnerability-Analysis-Report-2f48e7fec518803e8e7fe18e71d77dac?pvs=74
https://vuldb.com/cve/CVE-2026-18605
https://vuldb.com/submit/852044
https://vuldb.com/vuln/385528
https://vuldb.com/vuln/385528/cti

Configurations

No configuration.

History

23 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se ha descubierto una falla de seguridad en CheckMAL AppCheck Pro 3.1.43.10. Afecta a una función desconocida en la biblioteca AppCheckD.sys del componente Kernel Mini-Filter Driver. Realizar una manipulación resulta en una ruta de búsqueda incontrolada. El ataque requiere un enfoque local. La complejidad de un ataque es más bien alta. Se dice que la explotabilidad es difícil. El exploit ha sido liberado al público y puede ser utilizado para ataques. El proveedor fue contactado tempranamente sobre esta divulgación, pero no respondió de ninguna manera.

Information

Published : 2026-08-03 17:16

Updated : 2026-10-23 21:10

NVD link : CVE-2026-18605

Mitre link : CVE-2026-18605

CVE.ORG link : CVE-2026-18605

JSON object : View

Products Affected

No product.

CWE

CWE-426

Untrusted Search Path

CWE-427

Uncontrolled Search Path Element

{"id": "CVE-2026-18605", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18605", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-03T16:26:06.096459Z"}}], "cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 6.0, "accessVector": "LOCAL", "vectorString": "AV:L/AC:H/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "HIGH", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 1.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.4, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "cna@vuldb.com", "affectedData": [{"cpes": ["cpe:2.3:a:checkmal:appcheck_pro:*:*:*:*:*:*:*:*"], "vendor": "CheckMAL", "modules": ["Kernel Mini-Filter Driver"], "product": "AppCheck Pro", "versions": [{"status": "affected", "version": "3.1.43.10"}]}]}], "published": "2026-08-03T17:16:35.540", "references": [{"url": "https://opcodic.notion.site/AppCheck-Pro-Vulnerability-Analysis-Report-2f48e7fec518803e8e7fe18e71d77dac?pvs=74", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-18605", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/852044", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/385528", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/385528/cti", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-426"}, {"lang": "en", "value": "CWE-427"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se ha descubierto una falla de seguridad en CheckMAL AppCheck Pro 3.1.43.10. Afecta a una funci\u00f3n desconocida en la biblioteca AppCheckD.sys del componente Kernel Mini-Filter Driver. Realizar una manipulaci\u00f3n resulta en una ruta de b\u00fasqueda incontrolada. El ataque requiere un enfoque local. La complejidad de un ataque es m\u00e1s bien alta. Se dice que la explotabilidad es dif\u00edcil. El exploit ha sido liberado al p\u00fablico y puede ser utilizado para ataques. El proveedor fue contactado tempranamente sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "lastModified": "2026-10-23T21:10:00.157", "sourceIdentifier": "cna@vuldb.com"}