CVE-2024-38193
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Vexday Risk Score
76High priority
SSVC decision (CISA)
Act
Exploitation + impact → act immediately
CVSS 7.8EPSS 27.6%KEV simPoC públicaPatch referenciado
Lifecycle
13 Aug 2024Active exploitation (CISA KEV)
13 Aug 2024Published on NVD
03 Dec 2024Public PoC
Recommendation: Patch as soon as possible — active exploitation confirmed.
In short
A flaw in Windows' network driver allows a logged-in user to gain higher system privileges (administrator access) without proper authorization. An attacker who already has a user account on the machine can exploit this to take full control of the system.
Technical detail
A use-after-free vulnerability (CWE-416) in the Windows Ancillary Function Driver for WinSock enables local privilege escalation. An authenticated attacker can trigger memory corruption through crafted WinSock function calls, leading to execution with SYSTEM privileges; requires local code execution capability and valid user credentials.
Summary generated and translated by AI from the official description.
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
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
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 21H2Microsoft · Windows 11 version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)public PoCs found — 2
githubgithub.com/killvxk/CVE-2024-38193-Nephster★ 60cve_referencewww.exploit-db.com/exploits/52284unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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