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CVE-2026-50321Windows USB Driver Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.

7.8 HIGHEPSS 0.21%Not in KEVNVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
7.8HIGH3.1microsoft (CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8HIGH3.1microsoft (CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
7.0HIGH3.1NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CVE ID
CVE-2026-50321
Status
Analyzed
Assigner (CNA)
microsoft
Published
Jul 14, 2026
Last modified
2026-11-01 17:34 UTC
Weaknesses
  • CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
  • CWE-416 · Use After Free

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 10:52 UTC.