Win Update KB5089548 Windows 11 Cumulative Update build 28000.2113 (26H1) - May 12


UPDATE 5/26:
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KB5089570 Windows 11 Cumulative Update Preview build 28000.2179 (26H1) - May 26

Microsoft Support: Source: https://support.microsoft.com/en-us/help/5089570 Check Windows Updates UUP Dump: 64-bit ISO download: x ARM64 ISO download: x https://www.elevenforum.com/t/uup-dump-download-windows-insider-iso.344/
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 Microsoft Support:

May 12, 2026 - KB5089548 (OS Build 28000.2113)​

This cumulative update for Windows 11, version 26H1 (KB5089548) includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release.

Visit the Windows release health dashboard for the latest status on this release.

Improvements​

This update includes new features and quality improvements that were part of the following update:
This update addresses security vulnerabilities documented in the following guide:
The following summary outlines key quality improvements addressed by this update. The bold text within the brackets indicates the item or area of the change.
  • [Connectivity] This update improves the reliability of Simple Service Discovery Protocol (SSDP) notifications to help prevent the service from becoming unresponsive.
  • [Gaming] This update improves compatibility for some games that use embedded web content and helps reduce the impact of JavaScript errors on in‑game features.
If you've already installed previous updates, your device will download and install only the new updates included in this package.

AI Components​

This release updates the following AI components:

AI Component​
Version​
Image Search1.2603.377.0
Content Extraction1.2603.377.0
Semantic Analysis1.2603.377.0
Settings Model1.2603.377.0

Windows 11 servicing stack update (KB5092761)- 28000.2103​

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.

Known issues in this update​

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

How to get this update​

Before you install this update

Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates.

Install this update

To install this update, use one of the following Windows and Microsoft release channels.

Available​
Next Step​
Included
This update downloads and installs automatically from Windows Update and Microsoft Update.
To install this release from the Microsoft Update Catalog, follow these instructions:

If you want to remove this update

Before you decide to remove this update, see Understanding the risks: Why you should not uninstall security updates.

To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command: DISM /online /get-packages.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.

File information

For a list of the files provided in this update, download the file information for cumulative update 5089548.

For a list of the files provided in the servicing stack update, download the file information for the SSU (KB5092761) - version 28000.2103.


 Source:

May 12, 2026—KB5089548 (OS Build 28000.2113) - Microsoft Support

support.microsoft.com support.microsoft.com


Check Windows Updates


UUP Dump:

64-bit ISO download:
uupdump.net

Select language for Windows 11, version 26H1 (28000.2113) amd64

Select language for Windows 11, version 26H1 (28000.2113) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net

ARM64 ISO download:
uupdump.net

Select language for Windows 11, version 26H1 (28000.2113) arm64

Select language for Windows 11, version 26H1 (28000.2113) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net

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UUP Dump - Download Windows Insider ISO

UUP Dump is the most practical and easy way to get ISO images of any Insider Windows 10 or Windows 11 version, as soon as Microsoft has released a new build. UUP Dump creates a download configuration file according to your choices, downloads necessary files directly from Microsoft servers, and...
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Last edited:
Click to expand...
Guess I'm the only one getting this
 

My Computer

System One

  • OS
    Win 11 Insider Release Preview and Beta channels.
    Computer type
    Laptop
    Manufacturer/Model
    HP ENVY Bought: March 2017
    CPU
    i5 Core [email protected] (Unsupported for Win 11)
    Motherboard
    HP 81AD (U3E1)
    Memory
    12GB
    Graphics Card(s)
    Generic PnP Monitor (1920x1080@60Hz) Intel HD Graphics 620 (HP)
    Sound Card
    Conexant ISST audio
    Monitor(s) Displays
    Generic PnP Monitor
    Screen Resolution
    1536x864 pixels
    Hard Drives
    HGST HTS721010A9E630
    PSU
    Well...PSU you too!! What's this mean?
    Case
    HP ENVY SILVER
    Cooling
    A fan.
    Keyboard
    USA
    Mouse
    Logitec Anywhere 2
    Internet Speed
    Good enough for me! Fast!
    Browser
    Edge/Waterfox
    Antivirus
    Windows Defender
    Other Info
    No 'mo.
So how do you switch from 25H2 to 26H1? I've found no way to get Win Update to see this.
 

My Computer

System One

  • OS
    Windows 11 Pro x64 25H2 26200 6899
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home made
    CPU
    Intel iT-14700F 5270MHz
    Motherboard
    ASUS ROG STRIX Z690-F Gaming WiFi - FW 4101
    Memory
    32GB - 2x G Skill F5-6400J3239G16
    Graphics Card(s)
    ASUS Phoenix AMD Radeon RX550
    Monitor(s) Displays
    Asus PA329Q
    Screen Resolution
    3840x2160, Custom scaling is 130.
    Hard Drives
    Samsung 990 PRO 512GB
    4x Samsung 870 EVO 4TB @ RAID 10
    PSU
    Corsair HX-850i
    Case
    Fractal Design - Define 7 XL
    Cooling
    Thermalright Phantom Spirit 120 SE CPU Air Cooler, 4x Noctua NF-A12x25 Case Fans
    Keyboard
    Logitech MX Keys
    Mouse
    Logitech MX Ergo Trackball
DJG said:
So how do you switch from 25H2 to 26H1? I've found no way to get Win Update to see this.
Click to expand...


You have to have a Copilot+ PC.

With CPUs like the following...
  • AMD Ryzen AI 300 Series (Strix Point): These chips, often called "Strix Point," provide up to 50 NPU TOPS, exceeding the 40 TOPS requirement for Copilot+ certification. They are targeted at high-performance laptops and workstations.
  • Intel Core Ultra 200V Series (Lunar Lake): These processors focus on power efficiency and high AI performance, featuring a built-in NPU designed for sustained AI workloads, aimed at thin-and-light laptops.



More info...

Windows 11 version 26H1 (released February 2026) is a specialized platform update primarily for new, high-performance ARM-based PCs, such as those featuring Qualcomm Snapdragon X2 and future NVIDIA N1X chips. It is designed to support "Bromine" platform advancements rather than being a typical, broad-reaching feature update for all existing Windows 11 hardware. [1, 2]
Primary Requirements for 26H1:
  • Processor: Snapdragon X2 (SC8480XP/X2100) or newer ARM-based silicon.
  • Target Device: Mostly new "Copilot+ PCs" and next-gen laptops.
  • Base System Requirements: Adheres to the standard Windows 11 framework: UEFI Secure Boot, TPM 2.0, 4GB+ RAM, and 64GB+ storage. [1, 2, 3, 4, 5]

Key Takeaways:
  • Not a Generic Update: This version is generally not meant to be installed via Windows Update on older Intel/AMD PCs.
  • Support Cycle: Supported until March 2028 for consumers.
  • Alternatives: For existing x64 (Intel/AMD) PCs, Windows 11 version 25H2 remains the active, supported track.
  • AI Focus: Tailored for enhanced neural processing unit (NPU) operations exceeding 40 TOPS. [1, 2, 3, 4, 5]
 

My Computers

System One System Two

  • OS
    Win 11 Home ♦♦♦26200.8457 ♦♦♦♦♦♦♦25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® [May 2020]
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    Asus Pro WS X570-ACE (BIOS 5302)
    Memory
    G.Skill (F4-3200C14D-16GTZKW)
    Graphics Card(s)
    EVGA RTX 2070 (08G-P4-2171-KR)
    Sound Card
    Realtek ALC1220P / ALC S1220A
    Monitor(s) Displays
    Dell U3011 30"
    Screen Resolution
    2560 x 1600
    Hard Drives
    2x Samsung 860 EVO 500GB,
    WD 4TB Black FZBX - SATA III,
    WD 8TB Black FZBX - SATA III,
    DRW-24B1ST CD/DVD Burner
    PSU
    PC Power & Cooling 750W Quad EPS12V
    Case
    Cooler Master ATCS 840 Tower
    Cooling
    CM Hyper 212 EVO (push/pull)
    Keyboard
    Ducky DK9008 Shine II Blue LED
    Mouse
    Logitech Optical M-100
    Internet Speed
    300/300
    Browser
    Firefox (latest)
    Antivirus
    Bitdefender Total Security
    Other Info
    Speakers: Klipsch Pro Media 2.1
  • Operating System
    Windows XP Pro 32bit w/SP3
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® (not in use)
    CPU
    AMD Athlon 64 X2 5000+ (OC'd @ 3.2Ghz)
    Motherboard
    ASUS M2N32-SLI Deluxe Wireless Edition
    Memory
    TWIN2X2048-6400C4DHX (2 x 1GB, DDR2 800)
    Graphics card(s)
    EVGA 256-P2-N758-TR GeForce 8600GT SSC
    Sound Card
    Onboard
    Monitor(s) Displays
    ViewSonic G90FB Black 19" Professional (CRT)
    Screen Resolution
    up to 2048 x 1536
    Hard Drives
    WD 36GB 10,000rpm Raptor SATA
    Seagate 80GB 7200rpm SATA
    Lite-On LTR-52246S CD/RW
    Lite-On LH-18A1P CD/DVD Burner
    PSU
    PC Power & Cooling Silencer 750 Quad EPS12V
    Case
    Generic Beige case, 80mm fans
    Cooling
    ZALMAN 9500A 92mm CPU Cooler
    Keyboard
    Logitech Classic Keybooard 200
    Mouse
    Logitech Optical M-BT96a
    Internet Speed
    300/300
    Browser
    Firefox 3.x ??
    Antivirus
    Symantec (Norton)
    Other Info
    Still assembled, still runs. Haven't turned it on for 15 years?
  • Helpful
Reactions: DJG
Ghot said:
You have to have a Copilot+ PC.

With CPUs like the following...
  • AMD Ryzen AI 300 Series (Strix Point): These chips, often called "Strix Point," provide up to 50 NPU TOPS, exceeding the 40 TOPS requirement for Copilot+ certification. They are targeted at high-performance laptops and workstations.
  • Intel Core Ultra 200V Series (Lunar Lake): These processors focus on power efficiency and high AI performance, featuring a built-in NPU designed for sustained AI workloads, aimed at thin-and-light laptops.
...]
Click to expand...
So I can ignore that level unless I get new hardware. Thanks! That was very helpful.
 

My Computer

System One

  • OS
    Windows 11 Pro x64 25H2 26200 6899
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home made
    CPU
    Intel iT-14700F 5270MHz
    Motherboard
    ASUS ROG STRIX Z690-F Gaming WiFi - FW 4101
    Memory
    32GB - 2x G Skill F5-6400J3239G16
    Graphics Card(s)
    ASUS Phoenix AMD Radeon RX550
    Monitor(s) Displays
    Asus PA329Q
    Screen Resolution
    3840x2160, Custom scaling is 130.
    Hard Drives
    Samsung 990 PRO 512GB
    4x Samsung 870 EVO 4TB @ RAID 10
    PSU
    Corsair HX-850i
    Case
    Fractal Design - Define 7 XL
    Cooling
    Thermalright Phantom Spirit 120 SE CPU Air Cooler, 4x Noctua NF-A12x25 Case Fans
    Keyboard
    Logitech MX Keys
    Mouse
    Logitech MX Ergo Trackball
DJG said:
So I can ignore that level unless I get new hardware. Thanks! That was very helpful.
Click to expand...


As mentioned above, you can probably install it, but it really won't do you any good.
 

My Computers

System One System Two

  • OS
    Win 11 Home ♦♦♦26200.8457 ♦♦♦♦♦♦♦25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® [May 2020]
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    Asus Pro WS X570-ACE (BIOS 5302)
    Memory
    G.Skill (F4-3200C14D-16GTZKW)
    Graphics Card(s)
    EVGA RTX 2070 (08G-P4-2171-KR)
    Sound Card
    Realtek ALC1220P / ALC S1220A
    Monitor(s) Displays
    Dell U3011 30"
    Screen Resolution
    2560 x 1600
    Hard Drives
    2x Samsung 860 EVO 500GB,
    WD 4TB Black FZBX - SATA III,
    WD 8TB Black FZBX - SATA III,
    DRW-24B1ST CD/DVD Burner
    PSU
    PC Power & Cooling 750W Quad EPS12V
    Case
    Cooler Master ATCS 840 Tower
    Cooling
    CM Hyper 212 EVO (push/pull)
    Keyboard
    Ducky DK9008 Shine II Blue LED
    Mouse
    Logitech Optical M-100
    Internet Speed
    300/300
    Browser
    Firefox (latest)
    Antivirus
    Bitdefender Total Security
    Other Info
    Speakers: Klipsch Pro Media 2.1
  • Operating System
    Windows XP Pro 32bit w/SP3
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® (not in use)
    CPU
    AMD Athlon 64 X2 5000+ (OC'd @ 3.2Ghz)
    Motherboard
    ASUS M2N32-SLI Deluxe Wireless Edition
    Memory
    TWIN2X2048-6400C4DHX (2 x 1GB, DDR2 800)
    Graphics card(s)
    EVGA 256-P2-N758-TR GeForce 8600GT SSC
    Sound Card
    Onboard
    Monitor(s) Displays
    ViewSonic G90FB Black 19" Professional (CRT)
    Screen Resolution
    up to 2048 x 1536
    Hard Drives
    WD 36GB 10,000rpm Raptor SATA
    Seagate 80GB 7200rpm SATA
    Lite-On LTR-52246S CD/RW
    Lite-On LH-18A1P CD/DVD Burner
    PSU
    PC Power & Cooling Silencer 750 Quad EPS12V
    Case
    Generic Beige case, 80mm fans
    Cooling
    ZALMAN 9500A 92mm CPU Cooler
    Keyboard
    Logitech Classic Keybooard 200
    Mouse
    Logitech Optical M-BT96a
    Internet Speed
    300/300
    Browser
    Firefox 3.x ??
    Antivirus
    Symantec (Norton)
    Other Info
    Still assembled, still runs. Haven't turned it on for 15 years?

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,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
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