Description
Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Microsoft Windows 10 Version 1507
10.0.10240.0 to < 10.0.10240.21100affected
Microsoft Windows 10 Version 1607
10.0.14393.0 to < 10.0.14393.8330affected
Microsoft Windows 10 Version 1809
10.0.17763.0 to < 10.0.17763.7678affected
Microsoft Windows 10 Version 21H2
10.0.19044.0 to < 10.0.19044.6216affected
Microsoft Windows 10 Version 22H2
10.0.19045.0 to < 10.0.19045.6216affected
Microsoft Windows 11 version 22H2
10.0.22621.0 to < 10.0.22621.5768affected
Microsoft Windows 11 version 22H3
10.0.22631.0 to < 10.0.22631.5768affected
Microsoft Windows 11 Version 23H2
10.0.22631.0 to < 10.0.22631.5768affected
Microsoft Windows 11 Version 24H2
10.0.26100.0 to < 10.0.26100.4946affected
Microsoft Windows Server 2008 R2 Service Pack 1
6.1.7601.0 to < 6.1.7601.27872affected
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
6.1.7601.0 to < 6.1.7601.27872affected
Microsoft Windows Server 2008 Service Pack 2
6.0.6003.0 to < 6.0.6003.23471affected
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
6.0.6003.0 to < 6.0.6003.23471affected
Microsoft Windows Server 2012
6.2.9200.0 to < 6.2.9200.25622affected
Microsoft Windows Server 2012 (Server Core installation)
6.2.9200.0 to < 6.2.9200.25622affected
Microsoft Windows Server 2012 R2
6.3.9600.0 to < 6.3.9600.22725affected
Microsoft Windows Server 2012 R2 (Server Core installation)
6.3.9600.0 to < 6.3.9600.22725affected
Microsoft Windows Server 2016
10.0.14393.0 to < 10.0.14393.8330affected
Microsoft Windows Server 2016 (Server Core installation)
10.0.14393.0 to < 10.0.14393.8330affected
Microsoft Windows Server 2019
10.0.17763.0 to < 10.0.17763.7678affected
Microsoft Windows Server 2019 (Server Core installation)
10.0.17763.0 to < 10.0.17763.7678affected
Microsoft Windows Server 2022
10.0.20348.0 to < 10.0.20348.4052affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 to < 10.0.25398.1791affected
Microsoft Windows Server 2025
10.0.26100.0 to < 10.0.26100.4946affected
Microsoft Windows Server 2025 (Server Core installation)
10.0.26100.0 to < 10.0.26100.4946affected