CVE-2026-20860

High · 7.8

CVSS

7.8

EPSS

8.3%

Published

Jan 13, 2026

CISA due date

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The record

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected packages

Ecosystem	Package	Introduced	Fixed