KB5087054: Overview with user sentiment and feedback

Overview

KB5087054 is a .NET Framework security update for Windows 11 version 24H2. This patch addresses security vulnerabilities and provides stability improvements for .NET Framework components. The update has been superseded by newer cumulative updates for newer Windows 11 versions (25H2 and later).

General Purpose

• Provides security updates and fixes for .NET Framework on Windows 11 24H2
• Part of the May 2026 security update cycle
• Addresses component store and system stability issues
• Superseded by KB5087051 for Windows 11 25H2 systems
• Related to broader cumulative update KB5089549 (OS Build 26100.8457)

General Sentiment

Users have reported installation failures with error code 0x8007370a, typically caused by corruption in the system component store or insufficient EFI System Partition (ESP) free space. However, the community has identified effective workarounds and Microsoft has released subsequent updates (KB5089573 and later) that permanently resolve the installation issues. The patch itself is considered necessary for security, though deployment challenges have been documented.

Known Issues

• Installation failure with error 0x8007370a on Windows 11 24H2 systems with component store corruption
• Installation failure with error 0x800f0922 when insufficient free space exists on the EFI System Partition (ESP)
• May fail with error 0x80073712 on some systems
• Issues resolved by installing KB5089573 or later cumulative updates

Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2026-06-30 01:15 PM

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