CVE-2026-42979
Windows Push Notifications Elevation of Privilege vulnerability
MSRC advisory June 9, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-42979
- Affected products
- Windows Push Notifications Elevation of Privilege · Microsoft Windows Push Notifications Elevation of Privilege · Microsoft
What happened
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows Push Notifications Elevation of Privilege vulnerability (CVE-2026-42979) was added to Microsoft’s security update guidance. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Sources
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