CVE-2023-21549

Windows SMB Witness Service Elevation of Privilege Vulnerability

Description

Windows SMB Witness Service Elevation of Privilege Vulnerability

Link	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21549	vendor advisory

What is the severity of CVE-2023-21549?: CVE-2023-21549 has been scored as a high severity vulnerability.
How to fix CVE-2023-21549?: To fix CVE-2023-21549, 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-2023-21549 being actively exploited in the wild?: It is possible that CVE-2023-21549 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21549?: CVE-2023-21549 affects Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2022, Microsoft Windows 10 Version 20H2, Microsoft Windows 11 version 21H2, Microsoft Windows 10 Version 21H2, Microsoft Windows 11 version 22H2, Microsoft Windows 10 Version 22H2, Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows 8.1, Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation).