CVE-2026-33100 PUBLISHED CVSS 7 HIGH

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Risk Scores

CVSS v3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

VendorProductVersions
microsoftwindows_server_23h210.0.25398.0
MicrosoftWindows 10 Version 160710.0.14393.0
microsoftwindows_11_23H210.0.22631.0, 10.0.22631.0
MicrosoftWindows 10 Version 22H210.0.19045.0
microsoftwindows_server_201610.0.14393.0, 10.0.14393.0
MicrosoftWindows 11 version 22H310.0.22631.0
microsoftwindows_10_22H210.0.19045.0
microsoftwindows_server_202510.0.26100.0, 10.0.26100.0
microsoftwindows_10_180910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
MicrosoftWindows 11 Version 23H210.0.22631.0
microsoftwindows_server_2012_R26.3.9600.0, 6.3.9600.0
MicrosoftWindows 10 Version 21H210.0.19044.0
MicrosoftWindows 11 Version 24H210.0.26100.0
MicrosoftWindows Server 201610.0.14393.0
MicrosoftWindows 11 version 26H110.0.28000.0
MicrosoftWindows Server 202210.0.20348.0
MicrosoftWindows Server 2012 R26.3.9600.0
MicrosoftWindows 11 Version 25H210.0.26200.0
MicrosoftWindows Server 20126.2.9200.0

…and 16 more

Timeline

References

…and 114 more

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