Update Details
2026-10 .NET 9.0.21 Security Update for ARM64 Client (KB5130035)
Last Modified:
10/13/2026
Size:
593.5 MB
UpdateID:
ad3b7260-495f-469f-bd48-d0d471a6090f
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Details:
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Package Details
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Description:
2026-10 .NET 9.0.21 Security Update for ARM64 Client (KB5130035)
Architecture:
ARM64
Classification:
Security Updates
Supported products:
.NET 9.0
Supported languages:
all
MSRC Number:
n/a
MSRC severity:
Important
KB article numbers:
5130035
More information:
https://go.microsoft.com/fwlink/?linkid=2181503&clcid=0x409
Support Url:
https://go.microsoft.com/fwlink/?linkid=2181179&clcid=0x409
This update has been replaced by the following updates:
2026-10 .NET 9.0.22 Security Update for ARM64 Client (KB5133965)
This update replaces the following updates:
2026-09 .NET 9.0.20 Security Update for ARM64 Client (KB5126105)
2026-08 .NET 9.0.19 Security Update for ARM64 Client (KB5122105)
There are no additional languages to select
Restart behavior:
Can request restart
May request user input:
No
Must be installed exclusively:
Requires network connectivity:
No
Uninstall Notes:
This software update can be removed via Add or Remove Programs in Control Panel.
Uninstall Steps:
n/a
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