How severe is CVE-2024-38213?

CVE-2024-38213 has a CVSS 3.1 base score of 6.5 (MEDIUM). EPSS estimates a 13.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2024-38213: Windows Mark of the Web Security Feature Bypass

CISA Known Exploited Vulnerabilities

Microsoft Windows SmartScreen Security Feature Bypass Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2024-08-13

Remediation due

2024-09-03

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38213; https://nvd.nist.gov/vuln/detail/CVE-2024-38213

Description

Windows Mark of the Web Security Feature Bypass Vulnerability

Severity

CVSS 3.1 · CNA6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
Microsoft	Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.5936
Microsoft	Windows Server 2019	10.0.17763.0 to <10.0.17763.5936
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.5936
Microsoft	Windows Server 2022	10.0.20348.0 to <10.0.20348.2527
Microsoft	Windows 11 version 21H2	10.0.0 to <10.0.22000.3019
Microsoft	Windows 10 Version 21H2	10.0.19043.0 to <10.0.19044.4529
Microsoft	Windows 11 version 22H2	10.0.22621.0 to <10.0.22621.3737
Microsoft	Windows 10 Version 22H2	10.0.19045.0 to <10.0.19045.4529
Microsoft	Windows 11 version 22H3	10.0.22631.0 to <10.0.22631.3737
Microsoft	Windows 11 Version 23H2	10.0.22631.0 to <10.0.22631.3737
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	10.0.25398.0 to <10.0.25398.950
Microsoft	Windows 10 Version 1507	10.0.10240.0 to <10.0.10240.20680
Microsoft	Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.7070
Microsoft	Windows Server 2016	10.0.14393.0 to <10.0.14393.7070
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.7070
Microsoft	Windows Server 2012	6.2.9200.0 to <6.2.9200.24919
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.24919
Microsoft	Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.22023
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.22023

References

1 Links

Vendor advisories

Windows Mark of the Web Security Feature Bypass Vulnerability

Record Details

Published

2024-08-13

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.