CVE-2026-36425
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
In the OPSWAT AppRemover driver (ardrv.sys) version 2017.10.02.1551 and earlier, the IOCTL handler 0x2420031 lacks privilege validation. Any local user can open the device and send process termination requests.
Risk Assessment
An attacker with local access can arbitrarily terminate processes, leading to denial of service (DoS) or system instability.
Recommendation
Update the OPSWAT AppRemover driver to the latest version that includes the privilege validation fix in the IOCTL handler.
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Original NVD description (English source)
An issue in OPSWAT AppRemover Driver (ardrv.sys) v2017.10.02.1551 and earlier in IOCTL handler 0x2420031. Any local user can open the device and send process termination requests without privilege validation.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

