Vulnerability in Microsoft Windows 10

CVE-2021-43217

Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

EPSS: 0.064 (93.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43217?
CVE-2021-43217 is a high-severity vulnerability in Microsoft Windows 10. CVSS score: 8.1/10. Published 2021-12-15.
How severe is CVE-2021-43217?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2021-43217 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.