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.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.92%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-03-2024PublishedVulnerability first disclosed.
- 03-05-2025Last modifiedVulnerability information updated.
Description
Microsoft Defender Security Feature Bypass Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 score0.92%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- windows_defender_antimalware_platform≥ 4.0.0.0, < 4.18.24010.12 | < 4.18.24010.12
1 vendor · 1 product