Microsoft Windows Kernel security vulnerabilities

Microsoft Windows Kernel is the kernel of the Windows operating system by Microsoft Corporation USA. A security vulnerability exists in Microsoft Windows Kernel. An attacker exploiting this vulnerability could remotely execute code. The following products and versions are affected: Windows Server...

KB5073457: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (January 2026)

The remote Windows host is missing security update 5073457. It is, therefore, affected by multiple vulnerabilities - Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. CVE-2026-20857 - An issue was discovered in...

2025-12 Cumulative security Hotpatch for Azure Stack HCI, version 21H2 and Windows Server 2022 Datacenter: Azure Edition for x64-based Systems (KB5071413)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information...

November 11, 2025—KB5068787 (OS Build 20348.4405)

None None...

December 9, 2025—Hotpatch KB5071413 (OS Build 20348.4467)

None None...

December 9, 2025—KB5071547 (OS Build 20348.4529)

None None...

Microsoft Windows Remote Access Connection Manager security vulnerability

Microsoft Windows Remote Access Connection Manager is a Windows service from Microsoft that manages virtual private network VPN connections from your computer to the Internet.If this service is disabled, the VPN client application will If this service is disabled, VPN client applications will not...

Microsoft Windows Defender buffer error vulnerability

Microsoft Windows Defender is a suite of antivirus software that comes with Windows systems from Microsoft USA. A buffer error vulnerability exists in Microsoft Windows Defender. An attacker could exploit the vulnerability to obtain sensitive information. The following products and versions are...

Microsoft Windows DirectX code vulnerabilities

Microsoft Windows DirectX is the DirectX end-user runtime Web installer from Microsoft Corporation USA. A code issue vulnerability exists in Microsoft Windows DirectX. An attacker could exploit this vulnerability to cause a denial of service on the system. The following products and versions are...

Microsoft Windows DirectX code vulnerabilities

Microsoft Windows DirectX is the DirectX end-user runtime Web installer from Microsoft Corporation USA. A code issue vulnerability exists in Microsoft Windows DirectX. An attacker could exploit this vulnerability to cause a denial of service on the system. The following products and editions are...

Microsoft DWM Core Library security vulnerabilities

Microsoft DWM Core Library is a core library for Microsoft windows from Microsoft Corporation, USA. A security vulnerability exists in the Microsoft DWM Core Library. An attacker could exploit this vulnerability to gain elevated privileges. The following products and versions are affected:Windows...

Microsoft Graphics Component information leakage vulnerability

Microsoft Graphics Component is a graphics driver component from Microsoft Corporation USA. An information disclosure vulnerability exists in Microsoft Graphics Component. An attacker could exploit this vulnerability to obtain sensitive information. The following products and versions are affecte...

Microsoft Windows Shell race condition vulnerability

The Microsoft Windows Shell is the graphical user interface for the Windows operating system from Microsoft Corporation USA.Easily recognizable elements of the Windows shell include features such as the desktop, the taskbar, the start menu, the task switcher, and autoplay. On some versions of...

Microsoft Windows Shell race condition vulnerability

The Microsoft Windows Shell is the graphical user interface for the Windows operating system from Microsoft Corporation USA.Easily recognizable elements of the Windows shell include features such as the desktop, the taskbar, the start menu, the task switcher, and autoplay. On some versions of...

Microsoft Windows Routing and Remote Access Service security vulnerabilities

Microsoft Windows Routing and Remote Access Service is a network service from Microsoft Corporation USA that is used to implement features such as network routing, virtual private networks VPNs, and dial-up connections. A security vulnerability exists in Microsoft Windows Routing and Remote Acces...

Microsoft Windows DirectX race condition issue

Microsoft Windows DirectX is a DirectX end-user runtime Web installer from Microsoft Corporation USA. A competitive condition issue vulnerability exists in Microsoft Windows DirectX. An attacker could exploit this vulnerability to elevate privileges. The following products and editions are...

Microsoft Hyper-V buffer error vulnerability

Microsoft Hyper-V is an application from Microsoft Corporation USA. A system hypervisor virtualization technology that enables desktop virtualization. A buffer error vulnerability exists in Microsoft Hyper-V. An attacker exploiting this vulnerability could gain access to sensitive information. Th...

Microsoft Storvsp.sys Driver Security Vulnerability

Microsoft Storvsp.sys Driver is a virtual storage bus driver from Microsoft Corporation USA. It is primarily used for virtual storage communication between virtual machines and hosts in Hyper-V virtualized environments. A security vulnerability exists in Microsoft Storvsp.sys Driver. An attacker...

Microsoft Bluetooth Driver buffer error vulnerability

Microsoft Bluetooth Driver is an application software Bluetooth driver from Microsoft Corporation USA. A buffer error vulnerability exists in Microsoft Bluetooth Driver. An attacker could exploit this vulnerability to obtain sensitive information. The following products and editions are...

Microsoft Windows security vulnerabilities

Microsoft Windows is a suite of operating systems for use on personal devices from Microsoft USA. A security vulnerability exists in Microsoft Windows. An attacker exploiting this vulnerability could gain access to sensitive information. The following products and versions are affected:Windows 10...