CVE-2020-14956
In Windows cleaning assistant 3.2, the driver file (AtpKrnl.sys) allows local users to cause a...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-14956- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.1 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-14956- Updated
- 2026-11-02
EUVDEUVD-2020-7091 No score
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.
- Record
EUVD-2020-7091- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8w3w-8h5h-4gcr No score
In Windows cleaning assistant 3.2, the driver file (AtpKrnl.sys) allows local users to cause a...
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.
- Record
GHSA-8w3w-8h5h-4gcr- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-14956 is a high vulnerability (CVSS 7.8) in Arswp Windows Cleanup Assistant, published June 30, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.
