Win Update KB5033920 Cumulative Update .NET Framework 3.5 and 4.8.1 (22H2 and 23H2)


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UPDATE 1/23:
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KB5034467 Cumulative Update Preview .NET Framework 3.5 and 4.8.1 (22H2 and 23H2)

January 23, 2024 - KB5034467 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2 The January 23, 2024 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in...
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January 9, 2024 - KB5033920 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2​


The January 9, 2024 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.

Summary​

Security Improvements

CVE-2023-36042 – .NET Framework Denial of Service Vulnerability
This security update addresses a security feature bypass vulnerability detailed in CVE-2023-36042.

CVE-2023-0056 – .NET Framework Security Feature Bypass Vulnerability
This security update addresses a security feature bypass vulnerability detailed in CVE-2023-0056 .

CVE-2023-0057 – .NET Framework Security Feature Vulnerability
This security update addresses a elevation of privilege vulnerability detailed in CVE-2023-0057.

CVE-2023-21312 – .NET Framework Denial of Service Vulnerability
This security update addresses a denial of service vulnerability detailed in CVE-2023-21312 .

.NET Framework Remote Code Execution Vulnerability
This security update addresses a remote code execution vulnerability to HTTP .NET remoting server channel chain.

Quality and Reliability Improvements

There are no new Quality and Reliability Improvements in this update.

Known issues in this update​

Microsoft is not currently aware of any issues in this update.

How to get this update​

Install this update

Release ChannelAvailableNext Step
Windows Update and Microsoft UpdateYesNone. This update will be downloaded and installed automatically from Windows Update.
Windows Update for BusinessYesNone. This update will be downloaded and installed automatically from Windows Update.
Microsoft Update CatalogYesTo get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)YesThis update will automatically sync with WSUS if you configure as follows:
Product: Windows 11, version 22H2 and Windows 11, version 23H2
Classification: Security Updates

File information

For a list of the files that are provided in this update, download the file information for cumulative update.

Prerequisites​

To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed.

Restart requirement​

You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.
Click to expand...

Source:

January 9, 2024-KB5033920 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2 - Microsoft Support

support.microsoft.com support.microsoft.com
devblogs.microsoft.com

.NET Framework January 2024 Security and Quality Rollup - .NET Blog

January 2024 Security and Quality Rollup Updates for .NET Framework
devblogs.microsoft.com devblogs.microsoft.com
 

Attachments

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My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gbps Download and 35 Mbps Upload
    Browser
    Google Chrome
    Antivirus
    Microsoft Defender and Malwarebytes Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    HP Spectre x360 2in1 14-eu0098nr (2024)
    CPU
    Intel Core Ultra 7 155H 4.8 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Graphics card(s)
    Integrated Intel Arc
    Sound Card
    Poly Studio
    Monitor(s) Displays
    14" 2.8K OLED multitouch
    Screen Resolution
    2880 x 1800
    Hard Drives
    2 TB PCIe NVMe M.2 SSD
    Internet Speed
    Intel Wi-Fi 7 BE200 (2x2) and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Windows Defender and Malwarebytes Premium
:thumbsup:

Screen Shot 01-09-24 at 03.53 PM.JPG
 

My Computer

System One

  • OS
    Windows 11 Pro (Beta Build 22635.3566)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Alienware
Almost there!

1704836188715.png
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Asus/Custom Build
    CPU
    Intel® Xeon® X5690 3.47GHz Six-Core
    Motherboard
    Asus P6T Deluxe v2
    Memory
    G.Skill PC3-12800 1600MHz 24GB
    Graphics Card(s)
    NVIDIA GeForce GTX 1050
    Sound Card
    SoundMAX ADI AD2000B HD Audio
    Monitor(s) Displays
    Acer T232HL Touch Screen
    Screen Resolution
    1920 x 1080 @ 60Hz
    Hard Drives
    6 Crucial MX500 SSD 1TB each.
    PSU
    Thermaltake Toughpower Gold 850W
    Case
    Thermaltake Armor VA8000SWA
    Cooling
    Thermaltake Air Cooling System
    Keyboard
    Illuminated Multimedia LED Keyboard
    Mouse
    M16 Dual Mode Illuminated Mouse - Bluetooth / 2.4 GHz Mode
    Internet Speed
    800 Mbps
    Browser
    Edge / Opera / Vivaldi / Chrome / Firefox / Brave
    Antivirus
    Windows Defender Security
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