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Vulnerabilities

Vulnerability · CVE-2026-36425

Improper Privilege Management

Published Aug 26, 2026 · catalog updated Aug 26, 2026 · OPSWAT

Patch now

CVE-2026-36425 is in the CISA known-exploited catalog. Confirm OPSWAT against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.39%
Remediation
Remediation guidance
Affected products
stated ardrv.sys · vendor OPSWAT ardrv.sys

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated ardrv.sys<= 10.02.1551
  • vendor OPSWAT ardrv.sysversion unspecified

How to fix CVE-2026-36425

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-36425 is in the CISA known-exploited catalog. Confirm OPSWAT against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 10.02.1551. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.39%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 26, 2026 · VulnCheck KEV

    Detected

    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.

  2. Aug 26, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-36425

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-36425

    30-day exploitation probability 0.4%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-36425

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.