KB5068781: Cumulative update for Windows 10, versions 21H2 and 22H2, November 2025. Closes exploited kernel flaw and fixes false support warning
Closes 33 vulnerabilities, including the actively exploited Windows Kernel flaw CVE-2025-62215, and fixes a false end-of-support warning. Secure Boot certificates begin expiring in June 2026; Microsoft recommends reviewing its guidance and updating certificates in advance.
Does it affect you? Applies to: This update applies to Windows 10, version 22H2 devices enrolled in ESU and Windows 10 Enterprise LTSC 2021, version 21H2. The installation issue affects some commercial ESU devices activated through Windows subscription activation in the Microsoft 365 admin center.
What changes
Fixes 2 changes
Update (known issue)
- On Windows 10, version 22H2 ESU devices, this update fixes the message that might incorrectly say Windows has reached the end of support after KB5066791.1
- On Windows 10 Enterprise LTSC 2021 devices, this update fixes the message that might incorrectly say Windows has reached the end of support after KB5066791.1
Improvement 1 change
Servicing stack
-
The update improves how Azure-hosted devices are identified when installing updates.2
The servicing stack update (KB5068780) uses an updated certificate chain to verify whether a device is hosted on Azure.
Known issues
-
This update might fail to install with error 0x800f0922
On some commercial Windows 10 ESU devices activated through Windows subscription activation in the Microsoft 365 admin center, KB5068781 might fail to install with error 0x800f0922. Installing KB5072653 resolves the issue and allows deployment of KB5068781.3
Resolution Fixed in KB5072653Install KB5072653 (or a later cumulative update) on affected devices. No manual workaround is required after updating.
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2025-11-11
- Classification
- Security Updates
- Type
- Cumulative update
- Restart
- Required
- Replaces
- KB5066791, KB5066198, KB5065429, KB5063842
- Replaced by
- KB5071546
| Version | Build | Channel |
|---|---|---|
| 21H2 | 19044.6575 | General availability |
| 22H2 | 19045.6575 | General availability |
Security
| Vulnerability | Severity | CVSS |
|---|---|---|
|
CVE-2025-62215
Exploited
Windows Kernel Elevation of Privilege Vulnerability
|
Important | 7.0 |
|
Windows GDI+ Remote Code Execution Vulnerability
|
Critical | 9.8 |
|
DirectX Graphics Kernel Elevation of Privilege Vulnerability
|
Critical | 7.0 |
The table lists the 3 exploited, publicly disclosed or critical vulnerabilities. See all 33 vulnerabilities →
Downloads (Microsoft Update Catalog)
Updated components
856 files changed since the previous update for the same versions.
| Top changed components | Files |
|---|---|
| Graphics and display | 26 |
| Networking | 14 |
| Kernel | 9 |
| Remote Desktop | 9 |
| Secure Boot | 8 |
| File Explorer and shell | 6 |
| Hyper-V and virtualization | 6 |
| Security and sign-in | 6 |
| Bluetooth | 3 |
| Emoji and input | 2 |
| Storage and file systems | 2 |
| Audio | 1 |
Sources
Cited passages from Microsoft's official notes (3)
-
1.
Fixed: After installing the October 14, 2025 Windows update (KB5066791), the message, "Your version of Windows has reached the end of support", might incorrectly display in the Windows Update Settings page.
support.microsoft.com -
2.
This servicing stack update (SSU) includes enhanced logic to verify whether a device is hosted on Azure, leveraging an updated certificate chain for validation.
support.microsoft.com -
3.
This issue is fixed in the update KB5072653: Extended Security Updates (ESU) Licensing Preparation Package for Windows 10
support.microsoft.com
Checked automatically: 8 of 8 checks passed, 3 quoted passages · compared with Microsoft's page on Oct 20, 2026
- Quotes found in the official pages: passed
- Numbers found in the sources: passed
- Vulnerabilities from the dossier only: passed
- Links to allowed domains only: passed
- Every official change covered: passed
- Readable plain text: passed
- Changes confirmed by the file list: passed
- Sources agree: passed
A second AI read the text against the sources: correctness 5/5, clarity 5/5, completeness 5/5. How we work
Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake