Tuesday, August 11, 2026
LIVEThe Unrelenting Cyber Battle: Hacking Threats and the Imperative of Robust Data Protection///Navigating the Cyber Labyrinth: Bolstering Defenses Against Evolving Hacking Threats///The Dual Front War: Battling Hacking and Bolstering Data Protection in the Digital Age///The Ever-Evolving Cyber Threat Landscape: Navigating Hacking and Fortifying Data Protection///The Unseen Battle: Fortifying Data in an Age of Relentless Hacking///The Unseen War: Hacking's Relentless Advance and the Imperative of Data Protection///The Evolving Threat Landscape: Hacking, Data Protection, and the Imperative for Proactive Security///Navigating the Digital Minefield: Bolstering Data Protection in an Era of Relentless Hacking///The Dual Fronts of Digital Defense: Combating Hacking and Fortifying Data Protection///Hacking's New Frontier: Fortifying Data Protection in the Age of Advanced Cyber Threats///The Dual Front: Navigating Hacking Threats and Fortifying Data Protection in the Digital Age///Navigating the Digital Gauntlet: The Evolving Nexus of Hacking and Data Protection///The Unrelenting Cyber Battle: Hacking Threats and the Imperative of Robust Data Protection///Navigating the Cyber Labyrinth: Bolstering Defenses Against Evolving Hacking Threats///The Dual Front War: Battling Hacking and Bolstering Data Protection in the Digital Age///The Ever-Evolving Cyber Threat Landscape: Navigating Hacking and Fortifying Data Protection///The Unseen Battle: Fortifying Data in an Age of Relentless Hacking///The Unseen War: Hacking's Relentless Advance and the Imperative of Data Protection///The Evolving Threat Landscape: Hacking, Data Protection, and the Imperative for Proactive Security///Navigating the Digital Minefield: Bolstering Data Protection in an Era of Relentless Hacking///The Dual Fronts of Digital Defense: Combating Hacking and Fortifying Data Protection///Hacking's New Frontier: Fortifying Data Protection in the Age of Advanced Cyber Threats///The Dual Front: Navigating Hacking Threats and Fortifying Data Protection in the Digital Age///Navigating the Digital Gauntlet: The Evolving Nexus of Hacking and Data Protection///
Subscribe
Cyber Security
Independent · Digital
Thehackingpost
RSSSubscribe
CybersecurityAI-assisted

Microsoft Desktop Windows Manager Out-Of-Bounds Vulnerability Let Attackers Escalate Privileges

## Microsoft Desktop Windows Manager Vulnerability

ABy Amanda ParksDec 18, 20252 min read

Microsoft Desktop Windows Manager Vulnerability

Microsoft has identified a critical out-of-bounds vulnerability in the Desktop Window Manager (DWM), which permits local attackers to escalate privileges to the SYSTEM level on affected Windows systems.

The vulnerability, designated as CVE-2025-55681, is found in the dwmcore.dll component and affects Windows 10, Windows 11, and related server editions globally.

Windows 10: All versions Windows 11: All versions Windows Server 2016: All versions Windows Server 2019: All versions Windows Server 2022: All versions Windows Server 2025: All versions

The vulnerability is located in the CBrushRenderingGraphBuilder::AddEffectBrush function within the DWM core library. This component is responsible for rendering visual effects and managing graphics operations.

Attackers with local access can exploit improper buffer handling to execute code with elevated privileges.

Field Details

CVE ID CVE-2025-55681

This component is responsible for rendering visual effects and managing graphics operations.
Amanda Parks · Thehackingpost

Vulnerability Type Elevation of Privilege / Out of Bounds Memory Access

Component dwmcore.dll (Desktop Windows Manager Core Library)

Affected Function CBrushRenderingGraphBuilder::AddEffectBrush

CVSS v3.1 Score 7.8 (High)

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Advertisement

The exploit does not require user interaction once initial system access is obtained, posing significant risks in enterprise environments where multiple users share systems or remote access solutions are utilized.

The vulnerability has a CVSS v3.1 score of 7.8, indicating high severity. An authenticated attacker with low-level user privileges can bypass security controls and gain unrestricted system access, potentially installing malware, modifying system configurations, or stealing sensitive data. The exploit is most effective on Windows 11 systems but remains functional on Windows 10, albeit with reduced stability due to different heap memory management in older versions.

Microsoft has issued security patches to mitigate this vulnerability as part of its regular updates. Organizations are advised to apply these patches immediately to all affected Windows systems. Until patches are deployed, it is recommended to restrict local code execution opportunities by enforcing strict access controls, disabling unnecessary services, and implementing the principle of least privilege across user accounts.

System administrators should prioritize deploying this critical update due to the severe nature of the privilege escalation impact and the low exploitation complexity.

Based on reporting by Cyber Security News.

AI transparency. This article was produced with the assistance of artificial intelligence and published under human editorial oversight. AI systems can make mistakes. Read how we use AI (EU AI Act, Art. 50).
Related Stories
Cybersecurity

Why Fintech Banking Platforms Are Reducing Operational Costs by 40%

Paige Monroe · Mar 26, 2026
Cybersecurity

Dogecoin Price Prediction: SHIB Burns 172M Tokens as Pepeto Exchange Earns From Every Trade

Eric Wallace · Mar 26, 2026
Cybersecurity

Solana Price Prediction: SOL Holds $86 With Commodity Status as Pepeto Targets Bigger Returns

Zachary Burns · Mar 26, 2026
Cybersecurity

Open Directory Malware Campaign Uses Obfuscated VBS, PNG Loaders and RAT Payloads

Joseph Cain · Mar 26, 2026