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The Update Bureau
Security

KB5082142: all 117 vulnerabilities

Cumulative update for Windows Server, version 2022, April 2026. The update page explains it and lists only the exploited, publicly disclosed and critical vulnerabilities; here are all of them, most severe first.

Vulnerabilities fixed

117 vulnerabilities fixed
3 critical 111 important 1 moderate 2 not rated
VulnerabilitySeverityCVSS
Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
Critical 9.8
Windows TCP/IP Remote Code Execution Vulnerability
Critical 8.1
Windows Active Directory Remote Code Execution Vulnerability
Critical 8.0
Windows Push Notifications Elevation of Privilege Vulnerability
Important 8.8
Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability
Important 8.8
Windows Shell Security Feature Bypass Vulnerability
Important 8.8
Windows Hello Security Feature Bypass Vulnerability
Important 8.7
Microsoft Brokering File System Elevation of Privilege Vulnerability
Important 8.4
Windows COM Elevation of Privilege Vulnerability
Important 8.4
Windows Kerberos Elevation of Privilege Vulnerability
Important 8.0
Windows Management Services Elevation of Privilege Vulnerability
Important 7.8
Windows Encrypted File System (EFS) Elevation of Privilege Vulnerability
Important 7.8
Windows Hyper-V Remote Code Execution Vulnerability
Important 7.8
Remote Desktop Licensing Service Elevation of Privilege Vulnerability
Important 7.8
Remote Desktop Licensing Service Elevation of Privilege Vulnerability
Important 7.8
Windows Sensor Data Service Elevation of Privilege Vulnerability
Important 7.8
Windows OLE Elevation of Privilege Vulnerability
Important 7.8
Windows Kernel Elevation of Privilege Vulnerability
Important 7.8
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.8
PowerShell Elevation of Privilege Vulnerability
Important 7.8
Windows Push Notifications Elevation of Privilege Vulnerability
Important 7.8
Windows Client Side Caching driver (csc.sys) Elevation of Privilege Vulnerability
Important 7.8
Windows Kernel Elevation of Privilege Vulnerability
Important 7.8
Remote Access Management service/API (RPC server) Elevation of Privilege Vulnerability
Important 7.8
Windows Projected File System Elevation of Privilege Vulnerability
Important 7.8
Windows Search Service Elevation of Privilege Vulnerability
Important 7.8
Windows Installer Elevation of Privilege Vulnerability
Important 7.8
Windows User Interface Core Elevation of Privilege Vulnerability
Important 7.8
Microsoft Management Console Elevation of Privilege Vulnerability
Important 7.8
Windows UPnP Device Host Elevation of Privilege Vulnerability
Important 7.8
Windows UPnP Device Host Elevation of Privilege Vulnerability
Important 7.8
Windows Shell Elevation of Privilege Vulnerability
Important 7.8
Windows UPnP Device Host Elevation of Privilege Vulnerability
Important 7.8
Windows UPnP Device Host Elevation of Privilege Vulnerability
Important 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Important 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Important 7.8
Windows Projected File System Elevation of Privilege Vulnerability
Important 7.8
Windows Projected File System Elevation of Privilege Vulnerability
Important 7.8
Windows Projected File System Elevation of Privilege Vulnerability
Important 7.8
Windows UPnP Device Host Elevation of Privilege Vulnerability
Important 7.8
Windows Projected File System Elevation of Privilege Vulnerability
Important 7.8
Windows Speech Brokered Api Elevation of Privilege Vulnerability
Important 7.8
Windows Speech Brokered Api Elevation of Privilege Vulnerability
Important 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Important 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Important 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Important 7.8
Windows Push Notifications Elevation of Privilege Vulnerability
Important 7.8
Windows Push Notifications Elevation of Privilege Vulnerability
Important 7.8
Windows Push Notifications Elevation of Privilege Vulnerability
Important 7.8
Windows User Interface Core Elevation of Privilege Vulnerability
Important 7.8
Windows User Interface Core Elevation of Privilege Vulnerability
Important 7.8
Windows User Interface Core Elevation of Privilege Vulnerability
Important 7.8
Windows Snipping Tool Remote Code Execution Vulnerability
Important 7.8
Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
Important 7.8
Windows BitLocker Security Feature Bypass Vulnerability
Important 7.7
Windows Server Update Service (WSUS) Tampering Vulnerability
Important 7.5
Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability
Important 7.5
HTTP.sys Denial of Service Vulnerability
Important 7.5
Windows UPnP Device Host Remote Code Execution Vulnerability
Important 7.4
Windows Hyper-V Remote Code Execution Vulnerability
Important 7.3
LIBPNG is vulnerable to a buffer overflow in png_image_read_composite via incorrect palette premultiplication
Important 7.1
LIBPNG is vulnerable to a heap buffer overflow in png_combine_row triggered via png_image_finish_read
Important 7.1
Remote Desktop Spoofing Vulnerability
Important 7.1
Microsoft Cryptographic Services Elevation of Privilege Vulnerability
Important 7.0
Windows Shell Elevation of Privilege Vulnerability
Important 7.0
Windows Shell Elevation of Privilege Vulnerability
Important 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.0
Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability
Important 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.0
Windows TDI Translation Driver (tdx.sys) Elevation of Privilege Vulnerability
Important 7.0
Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) Elevation of Privilege Vulnerability
Important 7.0
Windows TDI Translation Driver (tdx.sys) Elevation of Privilege Vulnerability
Important 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.0
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Important 7.0
Windows LUA File Virtualization Filter Driver Elevation of Privilege Vulnerability
Important 7.0
Windows Simple Search and Discovery Protocol (SSDP) Service Elevation of Privilege Vulnerability
Important 7.0
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Important 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.0
Windows UPnP Device Host Elevation of Privilege Vulnerability
Important 7.0
Windows WalletService Elevation of Privilege Vulnerability
Important 7.0
Windows Simple Search and Discovery Protocol (SSDP) Service Elevation of Privilege Vulnerability
Important 7.0
Windows Simple Search and Discovery Protocol (SSDP) Service Elevation of Privilege Vulnerability
Important 7.0
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability
Important 7.0
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability
Important 7.0
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability
Important 7.0
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability
Important 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Important 7.0
Win32k Elevation of Privilege Vulnerability
Important 7.0
UEFI Secure Boot Security Feature Bypass Vulnerability
Important 6.7
Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability
Important 6.5
Windows UPnP Device Host Information Disclosure Vulnerability
Important 6.5
Windows Shell Information Disclosure Vulnerability
Important 6.5
Active Directory Spoofing Vulnerability
Important 6.2
Windows Kernel Memory Information Disclosure Vulnerability
Important 6.1
Windows Biometric Service Security Feature Bypass Vulnerability
Important 6.1
MITRE: CVE-2026-25250 Secure Boot disable Eazy Fix
Important 6.0
Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability
Important 5.7
Windows COM Server Information Disclosure Vulnerability
Important 5.5
Windows GDI Information Disclosure Vulnerability
Important 5.5
Windows GDI Information Disclosure Vulnerability
Important 5.5
Web Account Manager Information Disclosure Vulnerability
Important 5.5
Package Catalog Information Disclosure Vulnerability
Important 5.5
Windows Print Spooler Information Disclosure Vulnerability
Important 5.5
Remote Procedure Call Information Disclosure Vulnerability
Important 5.5
Connected User Experiences and Telemetry Service Denial of Service Vulnerability
Important 5.5
Universal Plug and Play (upnp.dll) Information Disclosure Vulnerability
Important 5.5
Universal Plug and Play (upnp.dll) Information Disclosure Vulnerability
Important 5.5
Windows Kernel Information Disclosure Vulnerability
Important 5.5
Windows Kernel Information Disclosure Vulnerability
Important 5.5
Windows Kernel Information Disclosure Vulnerability
Important 5.5
Windows Recovery Environment Security Feature Bypass Vulnerability
Important 4.6
Windows Boot Manager Security Feature Bypass Vulnerability
Important 4.6
Windows Snipping Tool Spoofing Vulnerability
Moderate 4.3
Windows Deployment Services Remote Code Execution Vulnerability
Not rated —
Windows Kerberos Information Disclosure Vulnerability
Not rated —