CVE-2026-33099 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_2012_R26.3.9600.0, 6.3.9600.0
microsoftwindows_11_24H210.0.26100.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0
microsoftwindows_10_180910.0.17763.0
microsoftwindows_server_20126.2.9200.0, 6.2.9200.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows 11 version 22H310.0.22631.0
MicrosoftWindows 11 Version 23H210.0.22631.0
microsoftwindows_server_202210.0.20348.0
microsoftwindows_10_21H210.0.19044.0
MicrosoftWindows Server 202210.0.20348.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0
MicrosoftWindows 10 Version 21H210.0.19044.0
microsoftwindows_server_23h210.0.25398.0
microsoftwindows_10_22H210.0.19045.0
MicrosoftWindows 10 Version 160710.0.14393.0
MicrosoftWindows 10 Version 22H210.0.19045.0

…and 11 more

Timeline

References

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