9.8

CVE-2021-43217: microsoft windows_10

CVSS: 9.8v3.1CriticalModified
Published 15-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-43217 is a critical (CVSS 9.8) vulnerability in microsoft windows_10. EPSS estimates a 6.52% chance of exploitation in the next 30 days, higher than 93.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
6.52%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

6.52%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

+0.10 pp

From 6.42% on 20-09-2026

20-09-202620-10-2026
EPSS score
6.52%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft33 products

1 vendor · 33 products

References

1 links