AUGUST 4, 2026
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Case File

CVE-2026-21238

HIGH · CVSS 7.8 EPSS 3.23%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-02-10 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Windows.

CVE
CVE-2026-21238
Severity
HIGH
CVSS
7.8
EPSS
3.23%
Windows

Original NVD Description

Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Related CVEs

Other vulnerabilities affecting the same vendor(s)