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.NET Framework 3.5 / 4.8 .NET Framework 3.5 / 4.8 Security update
Patch Tuesday

KB5044025

KB5044025: Cumulative update for .NET Framework, versions 3.5 and 4.8, on Windows Server 2022, October 2024. Two service-stopping flaws and SQL app errors addressed

In short

The update addresses two .NET flaws that could stop services from responding. It also addresses errors in some .NET apps hosted by SQL Server.

Does it affect you? Applies to: Windows Server 2022 devices with .NET Framework 3.5 or 4.8 installed.

File version
2.0.50727.9179 · 4.8.4762.0
Security
2 fixed
Restart
Required

What changes

Fixes 3 changes

.NET Framework

2 items

For: Windows Server 2022 devices

  • A .NET flaw that could make a service stop responding is addressed.1
    CVE-2024-43483 is a .NET Framework denial-of-service vulnerability.
  • A .NET flaw that could make a service stop responding is addressed.2
    CVE-2024-43484 is a .NET Framework denial-of-service vulnerability.

.NET Libraries

For: Apps using .NET with SQL Server

  • Some .NET apps running inside SQL Server might show errors after May cumulative updates. The update addresses this issue.3
    Addresses runtime exceptions in certain SQL CLR hosted scenarios caused by May cumulative updates.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2024-10-08
Classification
Security Updates
Type
Cumulative update
Restart
Required
Replaces
KB5041948, KB5039889
Replaced by
KB5049617
VersionFile versionChannel
3.5 2.0.50727.9179 General availability
4.8 4.8.4762.0 General availability

Security

2 vulnerabilities fixed
2 not rated
VulnerabilitySeverityCVSS
CVE-2024-43483
.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability
 Not rated —
CVE-2024-43484
.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability
 Not rated —

Downloads (Microsoft Update Catalog)

x64 Windows Server 2022
72.1 MB
windows10.0-kb5044025-x64-ndp48.msu Main update · KB5044025 SHA-1: 076f88ac…0ffba1

Updated components

78 files changed since the previous update for the same versions.

Top changed componentsFiles
WPF28
.NET runtime (CLR)12
ASP.NET10

Sources

Updated
Cited passages from Microsoft's official notes (3)
  1. 1. CVE-2024-43483 - .NET Framework Denial of service vulnerability support.microsoft.com
  2. 2. CVE-2024-43484 - .NET Framework Denial of service vulnerability support.microsoft.com
  3. 3. Addresses an issue with May cumulative updates causing customers to observe runtime exceptions in certain SQL CLR hosted scenarios. support.microsoft.com
Checked automatically: 7 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: not 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