Description
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.1487 | 10.0.20348.1487 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – < 10.0.22000.1455 | 10.0.22000.1455 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – < 10.0.22621.1105 | 10.0.22621.1105 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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Ancillary Function Driver (AFD) for WinSock Elevation of Privilege
exploit/windows/local/cve_2023_21768_afd_lpe
GitHub 14 repositories · most starred shown
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chompie1337/Windows_LPE_AFD_CVE-2023-21768 ★ 514 · Mar 7, 2023
LPE exploit for CVE-2023-21768
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SamuelTulach/nullmap ★ 203 · Mar 10, 2023
Using CVE-2023-21768 to manual map kernel mode driver
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Malwareman007/CVE-2023-21768 ★ 68 · Mar 13, 2023
Windows_AFD_LPE_CVE-2023-21768
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cl4ym0re/cve-2023-21768-compiled ★ 27 · Mar 10, 2023
cve-2023-21768
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P4x1s/CVE-2023-21768-POC ★ 23 · Mar 22, 2023
CVE-2023-21768 Windows 11 22H2 系统本地提权 POC
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xboxoneresearch/CVE-2023-21768-dotnet ★ 15 · May 15, 2024
C# / .NET version of CVE-2023-21768
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zoemurmure/CVE-2023-21768-AFD-for-WinSock-EoP-exploit ★ 15 · Apr 20, 2023
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h1bAna/CVE-2023-21768 ★ 3 · Apr 5, 2023
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IlanDudnik/CVE-2023-21768 ★ 1 · Dec 30, 2024
Exploit implementation with IO Rings for CVE-2023-21768
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Rosayxy/Recreate-cve-2023-21768 ★ 1 · Oct 2, 2023
recreating exp for cve-2023-21768.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2023-0055 Microsoft Windows und Microsoft Windows Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 14, 2025
- MSRC-CVE-2023-21768 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability Microsoft Security Response Center · Jan 10, 2023