CVE-2026-42979

HIGH

Microsoft Windows 10 Version 1809 - Windows Push Notifications Elevation of Privilege Vulnerability

Title source: rule
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Push Notifications Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42979

Scores

CVSS v3 7.8
EPSS 0.0015
EPSS Percentile 4.6%
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 CWE-416
Status published
Products (22)
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.8880
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.7417
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.7417
Microsoft/Windows 11 version 23H2 10.0.22631.0 - 10.0.22631.7219
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.8655
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.8655
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2269
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.8880
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.8880
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.5256
... and 12 more
Published Jun 09, 2026
Tracked Since Jun 09, 2026