CVE-2023-21768highobserved exploitationCWE-822

CVE-2023-21768: high-severity vulnerability in Microsoft Windows 11 version 21H2

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

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90Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 7.8epss 65%
from disclosure to weapon56 days
Published on NVDJan 10
1st PoC+56d
metasploitJan 10
VulnCheck+63d
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:U/RL:O/RC:C
Affected products
Microsoft · Windows 11 version 21H2Microsoft · Windows 11 version 22H2Microsoft · Windows Server 2022
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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