Win Update KB5019177 Security Vulnerability Update for Windows 11 (21H2)


  • Staff

KB5019177: Security vulnerabilities exist in Memory Mapped I/O for some Intel processors for Windows 11, version 21H2: March 2, 2023​


Summary

Intel has released “Intel Processors MMIO Stale Data Advisory”. This security advisory states that potential security vulnerabilities exist in Memory Mapped I/O (MMIO) for some Intel processors which might allow information disclosure.

Improvements

Intel Platform Update (IPU) 2022.1 that is dated June 2022 contains fixes for security vulnerabilities including Memory-Mapped I/O (MMIO) Side-Channel Attack.

To help protect your Intel-based processor device, do the following:

How to get the update


Release ChannelAvailableNext Step
Windows Update and Microsoft UpdateNoSee the other options below.
Microsoft Update CatalogYesTo get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration ManagerNoYou can manually import these updates into Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager. For WSUS instructions, see WSUS and the Catalog Site. For Configuration Manger instructions, see Import updates from the Microsoft Update Catalog.

Source:

Direct download links for KB5019177 MSU file from Microsoft Update Catalog:

Download KB5019177 MSU for Windows 11 v22H2 64-bit (x64) - 2.3 MB
 

Attachments

  • Windows_11.png
    Windows_11.png
    152 bytes · Views: 0
Why are 7th Gen and older in Intel's list of affected processors for Windows 11 21H2? Aren't they officially supported by Microsoft for Windows 11?
 

My Computer

System One

  • OS
    Windows 11 Pro 23H2
    Computer type
    Laptop
    Manufacturer/Model
    Acer Predator Helios 300 PH314-54-72ZJ
    CPU
    Intel Core i7-11800H
    Motherboard
    TGL
    Memory
    16GB (2x8 GB)
    Graphics Card(s)
    RTX 3060 Laptop GPU
    Sound Card
    Realtek
    Monitor(s) Displays
    1
    Screen Resolution
    2560 x 1440 @ 165Hz
    Hard Drives
    1TB HDD, 512GB SSD
    Cooling
    Aeroblade 5th Gen 3D fan
    Mouse
    Logitech Lightsync G203
    Internet Speed
    150Mbps up/150Mbps down
    Browser
    Edge and Firefox with uBlock Origin and YouTube enhancing extensions..
    Antivirus
    Windows Security with Core Isolation on
Why are 7th Gen and older in Intel's list of affected processors for Windows 11 21H2? Aren't they officially supported by Microsoft for Windows 11?
For all the people with the bypass trick? 🤷‍♂️ I m not sure why else they would unless this ports to windows 10.
 

My Computer

System One

  • OS
    Windows 11 Latest Dev Build
    Computer type
    PC/Desktop
    Manufacturer/Model
    Samsung DP700A3D-A01US AIO
    CPU
    Intel(R) Core(TM) i5-3470T CPU @ 2.90GHz (Dual Core)
    Motherboard
    (Unknown) UEFI BIOS version: Date: 02/13/2014 Version: P10KMS.076.140213.XJ
    Memory
    6 GB DDR3-1600 / PC3-12800 DDR3 SDRAM SO-DIMM Clock = 800 MHz
    Graphics Card(s)
    Intel HD Graphics 2500 Intel Ivy Bridge-DT GT1 - Integrated Graphics [E1/L1/N0/P0]
    Sound Card
    Intel Cougar Point PCH - High-Definition Audio Controller [B2]
    Monitor(s) Displays
    Display Name (Manuf) DM700A-D ID: Monitor\SEM0324
    Screen Resolution
    1920 x 1080 720p
    Hard Drives
    (Main) Samsung SSD 860 Pro 256GB Sata
    (Backup Drive) WDC Wd20SPZX-60UA7T0 2TB
    PSU
    Integrated No UPS.
    Case
    SAMSUNG ELECTRONICS CO., LTD. All in One
    Cooling
    Integrated single fan.
    Keyboard
    Logitech K520
    Mouse
    Logitech M-U0007
    Internet Speed
    Up to 800 Mbps. 300 Mbps max on this PC.
    Browser
    Microsoft Edge Canary
    Antivirus
    Microsoft Defender

Latest Support Threads

Back
Top Bottom