Security Advisory

CVE-2026-21236

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-02-10 17:51:23

Last updated 2026-08-19 16:25:54

Assigner microsoft

CVSS score 7.8

State PUBLISHED

Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.