5.5

CVE-2024-20671: microsoft windows_defender_antimalware_platform Incorrect Default Permissions

CVSS: 5.5v3.1MediumAnalyzed
Published 12-03-2024Last modified 03-05-2025

Vulnerability summary

CVE-2024-20671 is a medium (CVSS 5.5) Incorrect Default Permissions vulnerability in microsoft windows_defender_antimalware_platform. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.92%
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. 12-03-2024
    PublishedVulnerability first disclosed.
  2. 03-05-2025
    Last modifiedVulnerability information updated.

Description

Microsoft Defender Security Feature Bypass Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.92%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

+0.01 pp

From 0.91% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.92%

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

Affected systems

Microsoft1 product

1 vendor · 1 product

References

1 links