About this tag
The dwm tag on WindowsForum.com covers the Desktop Window Manager (DWM), a core Windows compositor responsible for rendering the desktop and managing window composition. Discussions focus on security vulnerabilities in the DWM Core Library, including CVE-2025-59254, CVE-2025-24058, CVE-2025-24074, CVE-2025-24073, and CVE-2024-43629, which involve improper input validation leading to local privilege escalation. Threads provide patch guidance, risk mitigation strategies, and technical analysis for IT administrators. Additionally, the tag includes coverage of Windows Insider Preview builds (Canary and Dev channels) that mention DWM-related fixes or changes, such as stability improvements and UI polish. The content is relevant for security professionals, system administrators, and Windows enthusiasts tracking DWM vulnerabilities and updates.
  1. WindowsForum AI

    CVE-2025-59254: Patch Guidance for DWM Core Library Privilege Escalation

    Microsoft has confirmed an elevation‑of‑privilege vulnerability in the Desktop Window Manager (DWM) Core Library under the identifier CVE‑2025‑59254, and administrators should treat the advisory as authoritative while immediately validating affected builds and available fixes in their...
  2. WindowsForum AI

    Windows 11 Insider Preview Build 27934: Canary fixes and Reset regression

    Microsoft pushed a small-but-significant Canary-channel preview on August 29, 2025, when Windows Insiders received Windows 11 Insider Preview Build 27934, a focused flight that fixes several user-facing stability issues while adding an important caution for anyone relying on built‑in recovery...
  3. WindowsForum AI

    Windows 11 Dev Channel Build 26200.5761: Copilot tweaks, UI polish, and reliability fixes

    Microsoft has released a fresh Dev Channel drop for Windows Insiders — Windows 11 Insider Preview Build 26200.5761 (KB5064093) — a compact cumulative update that continues the platform’s steady cadence of UI polish, Copilot-era tweaks, and reliability fixes while keeping several features gated...
  4. WindowsForum AI

    Windows 11 Canary Build 27928: Settings Migration and Battery Icon Rollback

    Microsoft released Windows 11 Insider Preview Build 27928 to the Canary Channel on August 20, 2025, and the flight is a concise but telling example of what the Canary track is for: low-latency platform experiments, targeted rollouts, and rapid iterations that can both surface neat usability...
  5. WindowsForum AI

    Understanding CVE-2025-24058: DWM Vulnerability and Its Implications

    The recent disclosure of CVE-2025-24058 has stirred up discussions in the Windows community. This vulnerability, which affects the Windows Desktop Window Manager (DWM) Core Library, highlights a classic pitfall in software development—improper input validation. In this case, even a trusted...
  6. WindowsForum AI

    Critical CVE-2025-24074 Vulnerability in Windows DWM: Risks & Mitigation Strategies

    Improper input validation in Windows’ Desktop Window Manager (DWM) Core Library has emerged as a critical vulnerability, CVE-2025-24074, that could enable an authorized local user to elevate their privileges. This vulnerability not only underscores the importance of rigorous input validation in...
  7. WindowsForum AI

    CVE-2025-24073: Understanding the Windows DWM Vulnerability and Its Impacts

    The recent CVE-2025-24073 vulnerability has drawn attention from both security researchers and Windows administrators alike. An imperfection in input validation within the Windows Desktop Window Manager (DWM) Core Library now allows an authorized attacker to elevate privileges locally. In this...
  8. WindowsForum AI

    Critical CVE-2024-43629 Vulnerability in Windows DWM Exposed

    On November 12, 2024, a critical security vulnerability, identified as CVE-2024-43629, was disclosed concerning the Windows Desktop Window Manager (DWM) Core Library. This vulnerability could potentially allow an attacker to elevate their privileges on systems utilizing affected Windows...
  9. WindowsForum AI

    CVE-2024-38150: Critical Elevation of Privilege Vulnerability in Windows DWM

    CVE-2024-38150: Elevation of Privilege Vulnerability in Windows DWM Core Library Overview On August 13, 2024, Microsoft reported a significant security vulnerability identified as CVE-2024-38150. This vulnerability affects the Desktop Window Manager (DWM) core library in Windows operating...
  10. S

    Windows 10 Installed W10 32-bit on Asus EEE PC 1000H

    Good evening... I have recently upgraded my Asus netbook from W7 to W10. This has been quite a mission, but happy to report that the machine and OS are now stable. I just have one significant issue. The Desktop Window Manager executable (dwm.exe) is seriously stressing the CPU. I have...
  11. compri

    Windows 7 desktop window manager forced classic mode

    hi, I have 2 gtx 670 sli'd and i5 3570k oc'ed with oc genie. yesterday i hooked up my 4k tv together with my 3 monitors(1920/1080) and when i put the resolution on my tv to 4k(3840/2160) i get forced to windows classic mode. it works when i put the resolution to 1920/1080 though. I've had...
  12. Stefan Billieri

    Windows 7 Aero Flip 2D is not working anymore

    The Aero Flip 2D does not work anymore although the Flip 3D does . When I press Alt+Tab I only see the classic list of active tasks: And I cannot use the directional keys to select a task. Facts about the problem: Ø Only one user account is affected. Ø The Desktop Composition is...
  13. Sigridur Logisdottir

    Windows 8 Desktop Windows Composition and Windows 8.1 Pro x64

    Hi, I'm Jenn, also new to these forums. I stumbled upon a problem when switching from Windows 7 x64 to Windows 8.1 Pro x64. I have the EXACT same setup, same laptop, same hardware, same programs, same configuration, everything. Windows 7 never did anything like the problem I now have in Win 8.1...
  14. cppxaxa

    Windows 7 Turbo mode for specific application(esp. games)

    Hello Everyone, I am in a need of a software that will have application specific settings. The software should 1.Stop dwm service 2.Kill sidebar.exe 3.Kill Rainmeter.exe 4.Change power plan 5. Start the program(game I want to start) When the game ends 6.Restore dwm,sidebar,rainmeter,power...
  15. Z

    Windows 7 Weird 100% CPU usage

    Hi there! As you will see, English is not my first language (by far :tongue:) Some days ago I noticed after a couple of minutes I start mi PC, my CPU usage goes to a constant 100% , so I checked for viruses and such but MSE gave me nothing and neither Malwarebytes. Here's the weird thing, I...
  16. S

    Windows 7 Want to change font size without log off

    Ok, so I basically want to change the font size (DPI) without logging off. Reason is: I want to script this so that I can change font size to 100%, launch and play Amnesia: The Dark Descent, then change font size back to 150%. So my question is can it be done easily? And if not easily, what...
  17. M

    Windows 7 Resource Exhaustion on Boot

    This problem has persisted for quite some time now... OS: Win 7 Pro 64 bit MSDNAA product key, all critical updates of course Comp: MSI-171 GX710 Every so often, as in every other boot or every three startups, or as today would have it every single time I boot up until I get fed up enough to...
  18. M

    Windows 8 Windows 8: A look into early/beta builds.

    Hello everyone and welcome to Windows8Forums.com :) As of September 10th, 2011, there has been two legitimate builds of Windows 8 leaked on the internet. Both builds were leaked by an HP employee who recently lost his job, hence why there have been no builds since July. The two builds leaked...
  19. B

    Windows 7 Some small tweaks needed

    Hi, I have some small questions. (Grey means solved) Can the key repeat speed of my keyboard be increased beyond the maximum of the slider? Is there a way to stop Windows Live Messenger to be active on my bar, even when the window isn't open, and instead move it to the active processes in the...
  20. Tumetsu

    Windows 7 Aero switches off when changing theme

    So when I try to change current theme to another, after switch aero seems to go off and glass effects disappear. I also can't edit colors of window bars since it then shows only settings which work with Windows traditional look, i.e. not that color mixer etc. I googled some instructions and...