CVE-2026-50450

HIGH

Microsoft Windows 10 Version 1809 - Windows Network Connections Service Elevation of Privilege Vulnerability

Title source: rule
STIX 2.1

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Network Connections Service Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50450

Scores

CVSS v3 7.8
EPSS 0.0015
EPSS Percentile 5.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-362
Status published
Products (22)
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.7548
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.7548
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.8875
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.8875
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2269
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2525
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.5386
... and 12 more
Published Jul 14, 2026
Tracked Since Jul 14, 2026