Win Update KB5049622 Cumulative Update .NET Framework 3.5 and 4.8.1 (24H2) - Jan. 14



 Microsoft Support:

January 14, 2025 - KB5049622 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2​

The January 14, 2025 update for Windows 11, version 24H2 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-2025-21176 - .NET Framework Remote Code Execution vulnerability
This security update addresses a remote code execution vulnerability detailed in CVE-2025-21176.

Quality and Reliability Improvements

.NET Runtime- Addresses an issue where in rare cases where an infinite loop could occur when a thread enters CLR for the first time.

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 24H2
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.



 Source:

January 14, 2025-KB5049622 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 | Microsoft Support

January 14, 2025-KB5049622 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2
support.microsoft.com support.microsoft.com
 
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kb5049622.webp
 

My Computer My Computer

At a glance

Windows 11Intel® Xeon® X5690 3.47GHz Six-CoreG.Skill PC3-12800 1600MHz 24GBNVIDIA GeForce GTX 1050
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
I updated, I guess I received everything. sfc/scannow turned out fine.
 

My Computer My Computer

At a glance

Windows 11 proAMD Ryzen 7 5700XG.SKILL Ripjaws V Series (Intel XMP) DDR4 RAM...ASUS Dual GeForce RTX™ 4060 White Edition
OS
Windows 11 pro
Computer type
PC/Desktop
Manufacturer/Model
custom build
CPU
AMD Ryzen 7 5700X
Motherboard
AMD ROG STRIX B550-F
Memory
G.SKILL Ripjaws V Series (Intel XMP) DDR4 RAM 32GB (2x16GB)
Graphics Card(s)
ASUS Dual GeForce RTX™ 4060 White Edition
Sound Card
on-board
Monitor(s) Displays
SAMSUNG 32-Inch Odyssey G50D Series
Screen Resolution
2560 x 1440
Hard Drives
Samsung 990 EVO Plus 1TB, ssd INTEL SSD 730 series 240 GB, and Samsung 840 Evo ssd 500 GB.
PSU
CORSAIR - RMe Series 1000W 80 PLUS Gold Fully Modular ATX Power Supply
Case
Antec 900 Nine Hundred ATX Mid Tower Computer Gaming Case
Cooling
ID-COOLING SE-214-XT Black CPU Cooler All-Black Layout
Keyboard
Logitech 520
Mouse
Logitech 310
Browser
Google Chrome
Antivirus
Windows Defender
Install fine...

1736880963201.webp
 

My Computer My Computer

At a glance

Windows 11Intel® Xeon® X5690 3.47GHz Six-CoreG.Skill PC3-12800 1600MHz 24GBNVIDIA GeForce GTX 1050
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
Install went fine
sfc /scannow didn't find any error
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2Intel i9-9900kCorsair Vengeance LPX 32GB (2 x 16GB)MSI Suprim X RTX 3080
    OS
    Windows 11 Pro 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Multi
    CPU
    Intel i9-9900k
    Motherboard
    Gigabyte Z390 Aorus Master
    Memory
    Corsair Vengeance LPX 32GB (2 x 16GB)
    Graphics Card(s)
    MSI Suprim X RTX 3080
    Sound Card
    Realtek
    Monitor(s) Displays
    Samsung LC32HGQ 144Hz
    Screen Resolution
    2560x1440
    Hard Drives
    Samsung 970 Evo Plus 1 TB
    Crucial MX100 512 GB
    Samsung 840 Pro 256 GB
    Seagate ST4000DM000-1F2168 4 TB
    PSU
    Seasonic P-860 Platinium
    Case
    Corsair Graphite 780T
    Cooling
    Noctua NH-U14S
    Keyboard
    Corsair K70 MK.2 Low profile
    Mouse
    Logitech G Pro HERO
    Internet Speed
    200 Mb/s
    Browser
    Mozilla Firefox
    Antivirus
    Windows Defender
    Other Info
    BIOS version F13a

  • At a glance

    Windows 11 Home 25H2AMD Ryzen 7 250Samsung 16GB DDR5 5600MHz PC5-44800 CL46Nvidia GeForce RTX 5060
    Operating System
    Windows 11 Home 25H2
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo LOQ 15AHP10
    CPU
    AMD Ryzen 7 250
    Motherboard
    Lenovo LNVNB161216
    Memory
    Samsung 16GB DDR5 5600MHz PC5-44800 CL46
    Graphics card(s)
    Nvidia GeForce RTX 5060
    Sound Card
    Realtek
    Monitor(s) Displays
    CSOT T3 MNF601BA1-4
    Screen Resolution
    1920x1080
    Hard Drives
    Micron SSD 1 TB
    Browser
    Mozilla Firefox
    Antivirus
    Windows Defender
    Other Info
    BIOS version R8CN25WW
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