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CVE-2026-65678

Windows Win32k Elevation of Privilege vulnerability

Microsoft

MSRC advisory August 11, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-65678
Affected products
Windows Win32k Elevation of Privilege · Microsoft Windows Win32k Elevation of Privilege · Microsoft

What happened

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

What it means for your business

Windows Win32k Elevation of Privilege vulnerability (CVE-2026-65678) was added to Microsoft’s security update guidance. Use after free 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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Need help patching?

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