01 Record
CVE-2026-18605
CheckMAL AppCheck Pro Kernel Mini-Filter Driver AppCheckD.sys uncontrolled search path
HighPUBLISHEDCNA: VulDB
CNA base score7.3 CVSS v4.0CVSS: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
02 Description
CheckMAL AppCheck Pro Kernel Mini-Filter Driver AppCheckD.sys uncontrolled search path
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.16% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 5.1% of scored records. A rank, not a probability.
- NVD base score
- 6.4 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-08-12.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-03 16:00Z2 MO AGO
- Last updated
- 2026-08-03 16:26Z2 MO AGO
- Reserved
- 2026-08-03
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.3)
- CNA CVSS vector
- 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
- Weaknesses
- Data version
- 5.2
- Document digest
- d557cf6a06b1e341f36734a61e7616d46950bd969fb8f8c28dde5b28142e60c7
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-385528 | CheckMAL AppCheck Pro Kernel Mini-Filter Driver AppCheckD.sys uncontrolled search pathhttps://vuldb.com/vuln/385528
- vuldb.comVDB-385528 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/385528/cti
- vuldb.comCVE-2026-18605 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-18605
- vuldb.comSubmit #852044 | CheckMAL AppCheck Pro 3.1.43.10 Creation of Temporary File in Directory with Insecure Permissionhttps://vuldb.com/submit/852044
- opcodic.notion.sitehttps://opcodic.notion.site/AppCheck-Pro-Vulnerability-Analysis-Report-2f48e7fec518803e8e7fe18e71d77dac?pvs=74