CVE-2023-21768

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Description

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 71.45% Top 5%
Vendor Advisory microsoft.com
Affected: Microsoft Windows Server 2022
Affected: Microsoft Windows 11 version 21H2
Affected: Microsoft Windows 11 version 22H2
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21768 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-21768?
CVE-2023-21768 has been scored as a high severity vulnerability.
How to fix CVE-2023-21768?
To fix CVE-2023-21768, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21768 being actively exploited in the wild?
It is possible that CVE-2023-21768 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~71% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21768?
CVE-2023-21768 affects Microsoft Windows Server 2022, Microsoft Windows 11 version 21H2, Microsoft Windows 11 version 22H2.
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