CVE-2024-38193 kev in the critical feed json
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
published 2024-08-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-37161
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2024-08-13
- epss
- 28.7%
- EPSS 28.7% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
Summary
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Patch / fix
cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Microsoft Windows 11 Version 24H2 10.0.26100.1457
- Microsoft Windows 10 Version 1809 10.0.17763.6189
- Microsoft Windows Server 2019 10.0.17763.6189
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.6189
- Microsoft Windows Server 2022 10.0.20348.2655
- Microsoft Windows 11 version 21H2 10.0.22000.3147
- Microsoft Windows 10 Version 21H2 10.0.19044.4780
- Microsoft Windows 11 version 22H2 10.0.22621.4037
- Microsoft Windows 10 Version 22H2 10.0.19045.4780
- Microsoft Windows 11 version 22H3 10.0.22631.4037
- Microsoft Windows 11 Version 23H2 10.0.22631.4037
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1085
- Microsoft Windows 10 Version 1507 10.0.10240.20751
- Microsoft Windows 10 Version 1607 10.0.14393.7259
- Microsoft Windows Server 2016 10.0.14393.7259
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.7259
- Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22825
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.22825
- Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22825
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.27277
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.27277
- Microsoft Windows Server 2012 6.2.9200.25031
- Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.25031
- Microsoft Windows Server 2012 R2 6.3.9600.22134
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.22134
Timeline
- 0-day patched (Project Zero)
- Added to CISA KEV
- Published
- CISA SSVC: exploitation active
- CISA patch deadline
- First public exploit (EDB-52284)
Known exploited
- Added
- 2 y ago
- Patch by
- 2024-09-03 (2 y ago)
- Ransomware
- Not known
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Vendor, product
- Microsoft, Windows
- CISA name
- Microsoft Windows Ancillary Function Driver for WinSock Privilege Escalation Vulnerability
Zero-day
Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.
- Patched
- 2024-08-13
- Details
- project zero tracker
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
28.74% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-52284 Microsoft Windows 11 Pro 23H2 - Ancillary Function Driver for WinSock Privilege Escalation local, 2025-05-09
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H3
- Microsoft Windows 11 Version 23H2
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2024-38193
vendor-advisory, patch
-
exploit-db.com
/exploits/52284
exploit
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38193
government-resource, us-government-resource
Sources
- CVE List CVE-2024-38193
- NVD CVE-2024-38193
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.