CVE-2026-21238
High · 7.8CVSS
7.8
EPSS
3.4%
Published
Feb 10, 2026
CISA due date
—
The record
Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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