CVE-2024-38193
HighExploitedPublic exploitWindows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Published Aug 14, 2024 · Updated Oct 21, 2025
Key Facts
Patch immediately- CVE-2024-38193 is a high-severity vulnerability (CVSS 7.8 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 Aug 13, 2024. Public exploit code is available.
- EPSS estimates a 29% probability of exploitation in the next 30 days.
- Fixed versions are available, including Windows 10 1507 10.0.10240.20751, Windows 10 1607 10.0.14393.7259, Windows 10 1809 10.0.17763.6189.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
29%
Higher than 98.1% 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-2024-38193 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Aug 13, 2024 | Sep 3, 2024 | Not reported |
| Industry KEV feed | Aug 13, 2024 | Sep 3, 2024 | Not reported |
| CIRCL KEV | Aug 13, 2024 | Sep 3, 2024 | Not reported |
| ENISA EUVD | Aug 13, 2024 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
42 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 1507Microsoft | See advisory | 10.0.10240.20751 |
| Windows 10 1607Microsoft | See advisory | 10.0.14393.7259 |
| Windows 10 1809Microsoft | See advisory | 10.0.17763.6189 |
| Windows 10 21h2Microsoft | See advisory | 10.0.19044.4780 |
| Windows 10 22h2Microsoft | See advisory | 10.0.19045.4780 |
Patched Releases
Windows 10 1507
10.0.10240.20751
Windows 10 1607
10.0.14393.7259
Windows 10 1809
10.0.17763.6189
Windows 10 21h2
10.0.19044.4780
Windows 10 22h2
10.0.19045.4780
Windows 11 21h2
10.0.22000.3147
Windows 11 22h2
10.0.22621.4037
Windows 11 23h2
10.0.22631.4037
Windows 11 24h2
10.0.26100.1457
Windows Server 2012
6.2.9200.25031
Windows Server 2016
10.0.14393.7259
Windows Server 2019
10.0.17763.6189
Windows Server 2022
10.0.20348.2655
Windows Server 2022 23h2
10.0.25398.1085
Windows 10 Version 1507
10.0.10240.20751
Windows 10 Version 1607
10.0.14393.7259
Windows 10 Version 1809
10.0.17763.6189
Windows 10 Version 21H2
10.0.19044.4780
Windows 10 Version 22H2
10.0.19045.4780
Windows 11 version 21H2
10.0.22000.3147
Windows 11 version 22H2
10.0.22621.4037
Windows 11 version 22H3
10.0.22631.4037
Windows 11 Version 23H2
10.0.22631.4037
Windows 11 Version 24H2
10.0.26100.1457
Windows Server 2008 Service Pack 2
6.0.6003.22825
Timeline
Added to CISA KEV
Aug 13, 2024
Added to Industry KEV feed
Aug 13, 2024
Added to CIRCL KEV
Aug 13, 2024
Added to ENISA EUVD
Aug 13, 2024
Publicly disclosed
Aug 14, 2024
Last updated
Oct 21, 2025
Weakness Type
- CWE-416 Use After Free
References
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29995
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-37968
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38063
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38106
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38107
FAQ
Common Questions.
Windows Ancillary Function Driver for WinSock Elevation of Privilege 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 Aug 13, 2024.
Yes. It was added on Aug 13, 2024 with a federal remediation due date of Sep 3, 2024.
Public exploit code is available.
Fixed versions are available, including Windows 10 1507 10.0.10240.20751, Windows 10 1607 10.0.14393.7259, Windows 10 1809 10.0.17763.6189.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2024-38193 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo