CVE-2026-34336
Windows DWM Core Library Elevation of Privilege vulnerability
MSRC advisory May 22, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-34336
- Affected products
- Windows DWM Core Library Elevation of Privilege · Microsoft Windows DWM Core Library Elevation of Privilege · Microsoft
What happened
The security impact for this CVE has been revised based on a re-assessment of the vulnerability. The original classification of Information Disclosure (ID) has been updated to Elevation of Privilege (EoP).
What it means for your business
Windows DWM Core Library Elevation of Privilege vulnerability (CVE-2026-34336) was added to Microsoft’s security update guidance. The security impact for this CVE has been revised based on a re-assessment of the vulnerability. The original classification of Information Disclosure (ID) has been updated to Elevation of Privilege (EoP). If you need help checking exposure, call (864) 335-9223.
Sources
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