CVE-2020-14956: Arswp Windows Cleanup Assistant

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In Windows cleaning assistant 3.2, the driver file (AtpKrnl.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x223CCA.

Affected products

  • Arswp Windows Cleanup Assistant: version 3.2 only

Published 2020-06-30. Last modified 2026-06-17.