The Update BureauKB5041974: Cumulative update for .NET Framework, versions 3.5 and 4.8, on Windows 10 1809 and Windows Server 2019, August 2024. Zlib, ListView rendering and ASP.NET issues addressed
In short
Addresses reliability issues in zlib, UI automation, ASP.NET and Visual Studio interactions. It includes previously released security improvements but no new ones.
Does it affect you? Applies to: Devices running Windows 10, version 1809, or Windows Server 2019 with .NET Framework 3.5 or 4.8 installed.
What changes
Fixes 5 changes
.NET Libraries
- An issue with the zlib file is addressed by updating it to the latest version.1
.NET Fundamentals
Verified in package
4 items
- An issue involving the rendering of UI automation ListView subitems is addressed.2
- An issue involving binary formatter mutations that bypass the serialization binder is addressed.3
-
An issue involving meta tag information in the ASP.NET WebForms SmartNavigation feature is addressed.4
The issue concerns meta tag information referencing "Recreational Software Advisory Council" and the content-rating schema.
-
An issue involving conflicts between design-time and debug/runtime compilation in some ASP.NET projects is addressed; the conflicts could slow work on large projects.5
.NET Framework interaction with Visual Studio is adjusted to avoid these compilation conflicts.
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2024-08-13
- Classification
- Updates
- Type
- Cumulative update
- Restart
- Required
- Replaces
- KB5037933
- Replaced by
- KB5044022
| Version | File version | Channel |
|---|---|---|
| 3.5 | 2.0.50727.9066 | General availability |
| 4.8 | 4.8.4749.0 | General availability |
Security
No vulnerabilities are listed for this update.
Downloads (Microsoft Update Catalog)
x64
Windows 10 Enterprise LTSC 2019 / Windows Server 2019
88.9 MB
x86
Windows 10 Enterprise LTSC 2019
49.7 MB
Updated components
71 files changed since the previous update for the same versions.
| Top changed components | Files |
|---|---|
| WPF | 22 |
| .NET runtime (CLR) | 14 |
| ASP.NET | 10 |
Verified in package: changed files confirm .NET Fundamentals.
Sources
Updated
Cited passages from Microsoft's official notes (5)
-
1.
Addresses an issue to update zlib file to latest version.
support.microsoft.com -
2.
Addresses an issue to render UI automation ListView sub items.
support.microsoft.com -
3.
Addresses an issue with bypass serialization binder with binary formatter mutations.
support.microsoft.com -
4.
Addresses an issue to remove meta tag information referencing "Recreational Software Advisory Council" and the content-rating schema from ASP.Net WebForms SmartNavigation feature.
support.microsoft.com -
5.
Addresses an issue .NET Framework interaction with Visual Studio to avoid conflicts between design-time and debug/runtime compilation of some .NET Framework ASP.NET project
support.microsoft.com
Checked automatically: 8 of 8 checks passed, 5 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 3/5, 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