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February 10, 2026-KB5074837 Cumulative Update for .NET Framework 4.8.1 for Windows 11, version 26H1

🗓️ 10 Feb 2026 00:00:00Reported by MicrosoftType 
mskb
 mskb🔗 support.microsoft.com👁 22 Views

Security and reliability update for .NET Framework 4.8.1 on Windows 11 26H1 addressing disclosure and runtime fixes.

Related
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : aspnetcore-runtime-8.0, aspnetcore-runtime-dbg-8.0, aspnetcore-targeting-pack-8.0 (ALAS2023-2025-1230)
23 Oct 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : aspnetcore-runtime-9.0, aspnetcore-runtime-dbg-9.0, aspnetcore-targeting-pack-9.0 (ALAS2023-2025-1231)
23 Oct 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : .NET 8.0 (ALSA-2025:18148)
21 Oct 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : .NET 8.0 (ALSA-2025:18149)
21 Oct 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : .NET 9.0 (ALSA-2025:18150)
3 Nov 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : .NET 9.0 (ALSA-2025:18151)
3 Nov 202500:00
–nessus
Tenable Nessus		AlmaLinux 10 : .NET 8.0 (ALSA-2025:18152)
3 Nov 202500:00
–nessus
Tenable Nessus		AlmaLinux 10 : .NET 9.0 (ALSA-2025:18153)
3 Nov 202500:00
–nessus
Tenable Nessus		MiracleLinux 8 : dotnet9.0-9.0.111-1.el8_10 (AXSA:2025-10972:22)
13 Jan 202600:00
–nessus
Tenable Nessus		MiracleLinux 9 : dotnet9.0-9.0.111-1.el9_6.ML.1 (AXSA:2025-10978:23)
13 Jan 202600:00
–nessus
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10 Feb 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.14.8 - 5.7
EPSS0.0003
SSVC
dotnet frameworkinformation disclosuresecurity updatereliability improvementssha verificationclickonce supportarm64 crashwindows elevencumulative update
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