CVE-2026-21241
High · 7.0CVSS
7.0
EPSS
2.6%
Published
Feb 10, 2026
CISA due date
—
The record
Use after free 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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