Win Update KB5026515 Cumulative Update Preview .NET Framework 3.5 and 4.8.1 (22H2)


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UPDATE 6/13:

May 24, 2023 - KB5026515 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2​


The May 24, 2023 update for Windows 11, version 22H2 includes 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

There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.

Quality and Reliability Improvements

WPF1- Addresses ArgumentNullException that can arise in apps, or libraries, that directly set the IsOpen property on ToolTips or their Popups.
- Addresses an issue to avoid ArgumentOutOfRangeException when ControlTemplate has two or more ItemsPresenter sharing a single ItemsCollection.
SQL Connectivity- Addresses an issue where SQL connection created is not terminated by the library when this error is thrown or is leaked in the client application.
1Windows Presentation Foundation (WPF)

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 UpdateYesTo get the package for this update, go to Settings > Windows Update > Advanced options > Optional updates page and selecting the update from the list.
Windows Update for BusinessNoNone. These changes will be included in the next security update to this channel. For more information about Windows Update for Business go to the Windows Update for Business website.
Microsoft Update CatalogYesTo get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)NoYou can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

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:
 

Attachments

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Last edited:
Thanks for the heads up and I'm getting it now.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self Built
    CPU
    Intel Core i9 13900k, Intel UHD 770 integrated
    Motherboard
    MSI MEG Z790 ACE
    Memory
    32gb G.Skill Trident Z5 6600
    Graphics Card(s)
    Gigabyte RTX 4090 Gaming OC
    Sound Card
    EVGA Nu Audio, Razer Kraken V3 Pro, Realtek Onboard
    Monitor(s) Displays
    LG 38GN950-B, Benq EX3415R nano IPS monitors
    Screen Resolution
    3840x1600, 3440X1440
    Hard Drives
    Samsung 970 Pro, Samsung 850 Pro, Crucial MX500, WD Black SN700, WD Black 8tb HD
    PSU
    EVGA Supernova G2 1300w
    Case
    Thermaltake Level 20 XT
    Cooling
    ARCTIC Liquid Freezer III 420 ARGB in push/pull, Antec Prism X 120mm ARGB Fans x 15
    Keyboard
    Razer Huntsman Elite V1
    Mouse
    Corsair Dark Core Pro SE on an Asus ROG Balteus Qi pad
    Internet Speed
    450Mbps cable primary, 6Mbps secondary vdsl
    Browser
    Chrome primary, FF-Edge-IE secondary
    Antivirus
    Norton 360 Premium
    Other Info
    I sit on a Secret Lab Titan XL 2020 chair.😍
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    2021 HP Omen
    CPU
    AMD Ryzen 7 5800H
    Motherboard
    factory
    Memory
    16gb ddr 3200
    Graphics card(s)
    Nvidia RTX 3060 Mobile
    Sound Card
    onboard B&O
    Monitor(s) Displays
    15.6" 144hz IPS
    Screen Resolution
    1920x1080
    Hard Drives
    Hynix 512gb nvme ssd, WD Black SN850 2TB nvme ssd
    PSU
    factory
    Case
    factory
    Cooling
    factory with ARCTIC MX-6
    Mouse
    touchpad and Logitech wireless mouse
    Keyboard
    4 zone rgb
    Internet Speed
    WiFi 6, 1gb ethernet
    Browser
    Chrome primary, FF-IE and Edge secondary
    Antivirus
    Norton 360 Premium

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