CVE-2026-42983
Windows DWM Core Library Elevation of Privilege vulnerability
MSRC advisory June 9, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-42983
- Affected products
- Windows DWM Core Library Elevation of Privilege · Microsoft Windows DWM Core Library Elevation of Privilege · Microsoft
What happened
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows DWM Core Library Elevation of Privilege vulnerability (CVE-2026-42983) was added to Microsoft’s security update guidance. Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Sources
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