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CVE-2026-50312Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

7.8 HIGHEPSS 0.35%Not in KEVNVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
7.8HIGH3.1NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.7MEDIUM3.1microsoft (CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
4.7MEDIUM3.1microsoft (CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Details

CVE ID
CVE-2026-50312
Status
Analyzed
Assigner (CNA)
microsoft
Published
Jul 14, 2026
Last modified
2026-11-01 17:34 UTC
Weaknesses

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 10:43 UTC.