Desktop Window Manager Zero-Day Enables Privilege Escalation

A zero-day vulnerability in the Windows Desktop Window Manager (DWM) is currently under active exploitation. Microsoft released patches today, February 10, 2026, to address this flaw as part of the monthly security update cycle. The vulnerability, tracked as CVE-2026-21519, allows attackers to gain SYSTEM-level privileges on compromised machines. Technical Breakdown This flaw is a “Type Confusion” […]

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