7.7

CVE-2021-40463: microsoft windows_10

CVSS: 7.7v3.1HighModified
Published 13-10-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-40463 is a high (CVSS 7.7) vulnerability in microsoft windows_10. EPSS estimates a 2.58% chance of exploitation in the next 30 days, higher than 84.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.7/10
010
High · v3.1 (CVE.org)
EPSS score
2.58%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-10-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Windows Network Address Translation (NAT) Denial of Service Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.58%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.58% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.58%

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

Microsoft22 products

1 vendor · 22 products

References

1 links