CVE-2024-38217
MediumExploitedPublic exploitWindows Mark of the Web Security Feature Bypass Vulnerability
Published Sep 11, 2024 · Updated Aug 10, 2026
Key Facts
Patch immediately- CVE-2024-38217 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 10, 2024. Public exploit code is available.
- EPSS estimates a 10% probability of exploitation in the next 30 days.
- Fixed versions are available, including Windows 10 1507 10.0.10240.20766, Windows 10 1607 10.0.14393.7336, Windows 10 1809 10.0.17763.6293.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
EPSS (30-day exploit likelihood)
10%
Higher than 95.5% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2024-38217 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Windows Mark of the Web Security Feature Bypass Vulnerability
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 10, 2024 | Oct 1, 2024 | Not reported |
| Industry KEV feed | Sep 10, 2024 | Oct 1, 2024 | Not reported |
| CIRCL KEV | Sep 10, 2024 | Oct 1, 2024 | Not reported |
| ENISA EUVD | Sep 10, 2024 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
46 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 1507Microsoft | See advisory | 10.0.10240.20766 |
| Windows 10 1607Microsoft | See advisory | 10.0.14393.7336 |
| Windows 10 1809Microsoft | See advisory | 10.0.17763.6293 |
| Windows 10 21h2Microsoft | See advisory | 10.0.19044.4894 |
| Windows 10 22h2Microsoft | See advisory | 10.0.19045.4894 |
Patched Releases
Windows 10 1507
10.0.10240.20766
Windows 10 1607
10.0.14393.7336
Windows 10 1809
10.0.17763.6293
Windows 10 21h2
10.0.19044.4894
Windows 10 22h2
10.0.19045.4894
Windows 11 21h2
10.0.22000.3197
Windows 11 22h2
10.0.22621.4169
Windows 11 23h2
10.0.22631.4169
Windows 11 24h2
10.0.26100.1742
Windows Server 2016
10.0.14393.7336
Windows Server 2019
10.0.17763.6293
Windows Server 2022
10.0.20348.2700
Windows Server 2022 23h2
10.0.25398.1128
Windows 10 Version 1507
10.0.10240.20766
Windows 10 Version 1607
10.0.14393.7336
Windows 10 Version 1809
10.0.17763.6293
Windows 10 Version 21H2
10.0.19044.4894
Windows 10 Version 22H2
10.0.19045.4894
Windows 11 version 21H2
10.0.22000.3197
Windows 11 version 22H2
10.0.22621.4169
Windows 11 version 22H3
10.0.22631.4169
Windows 11 Version 23H2
10.0.22631.4169
Windows 11 Version 24H2
10.0.26100.1742
Windows Server 2008 Service Pack 2
6.0.6003.22870
Windows Server 2008 R2 Service Pack 1
6.1.7601.27320
Timeline
Added to CISA KEV
Sep 10, 2024
Added to Industry KEV feed
Sep 10, 2024
Added to CIRCL KEV
Sep 10, 2024
Added to ENISA EUVD
Sep 10, 2024
Publicly disclosed
Sep 11, 2024
Last updated
Aug 10, 2026
Weakness Type
- CWE-693 Protection Mechanism Failure
References
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21416
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30073
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38014
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38045
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43467
FAQ
Common Questions.
Windows Mark of the Web Security Feature Bypass Vulnerability
Affected: Windows 10 1507 (Microsoft); Windows 10 1607 (Microsoft); Windows 10 1809 (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 10, 2024.
Yes. It was added on Sep 10, 2024 with a federal remediation due date of Oct 1, 2024.
Public exploit code is available.
Fixed versions are available, including Windows 10 1507 10.0.10240.20766, Windows 10 1607 10.0.14393.7336, Windows 10 1809 10.0.17763.6293.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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