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CVE-2026-54107

Windows Win32k Elevation of Privilege vulnerability

Microsoft

MSRC advisory July 14, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-54107
Affected products
Windows Win32k Elevation of Privilege · Microsoft Windows Win32k Elevation of Privilege · Microsoft

What happened

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.

What it means for your business

Windows Win32k Elevation of Privilege vulnerability (CVE-2026-54107) was added to Microsoft’s security update guidance. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.

Sources

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