6.1

CVE-2021-26886: microsoft windows_10

CVSS: 6.1v3.1MediumModified
Published 11-03-2021Last modified 19-08-2026
Open JSON

Vulnerability summary

CVE-2021-26886 is a medium (CVSS 6.1) vulnerability in microsoft windows_10. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 66.1% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.13%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-03-2021
    PublishedVulnerability first disclosed.
  2. 19-08-2026
    Last modifiedVulnerability information updated.

Description

User Profile Service Denial of Service Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.13%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

+0.01 pp

From 1.12% on 22-09-2026

22-09-202622-10-2026
EPSS score
1.13%

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

Microsoft21 products

1 vendor · 21 products

References

3 links