Microsoft Desktop Window Manager (DWM) is the Windows graphics subsystem responsible for desktop composition and GPU-accelerated rendering of window visuals.
Overview
Microsoft Desktop Window Manager (DWM) is the Windows graphics subsystem responsible for desktop composition and GPU-accelerated rendering of window visuals. The article discusses a zero-day in DWM (referred to as 'DWM Zero') dated 2026-01-14, highlighting the high-severity risk this vulnerability poses due to its privileged position in the UI stack and potential to impact Windows endpoints.
Related Threat Clusters
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Microsoft Patches Critical DWM Vulnerabilities in January 2026
On January 13, 2026, Microsoft released a patch for a critical zero-day vulnerability in its Desktop Window Manager (DWM), tracked as CVE-2026-20805, which allowed local attackers to expose sensitive user-mode memory.…
4 articles · Updated January 14, 2026
Recent Intelligence Reports
- Microsoft Desktop Window Manager Zero — Cyberpress · January 14, 2026