KB5055521: Overview with user sentiment and feedback
Last Updated April 24, 2025
Probability of successful installation and continued operation of the machine
Overview
KB5055521 is a cumulative security and quality improvement update for Windows 10 version 1607 and Windows Server 2016. Released on April 8, 2025, this update (OS Build 14393.7969) contains important security patches and system improvements. The update includes changes to support Daylight Saving Time (DST) modifications in Chile's Aysen region and implements security enhancements related to system protection.
General Purpose
This update serves multiple purposes including addressing security vulnerabilities in the Windows operating system. It implements DST changes for Chile's Aysen region to align with government requirements for 2025. The update also introduces security improvements, including changes to the system drive's inetpub folder structure as part of enhanced protection measures. This modification is designed to increase system security and requires no action from IT administrators or end users. The update addresses the CVE-2025-21204 vulnerability and includes various quality improvements to enhance system stability and security.
General Sentiment
The general sentiment towards this update appears cautiously positive. While it contains important security improvements and necessary system updates, there are some concerns regarding Active Directory Group Policy audit logging functionality. The update introduces changes to core system components like the inetpub folder structure, but Microsoft has clearly communicated that these changes are part of security improvements and require no additional action from administrators. The presence of a known issue with Group Policy audit logging, while primarily affecting enterprise environments, suggests careful consideration before deployment in business settings.
Known Issues
- Active Directory Group Policy audit logging issue: Logon/Logoff events in local policy might not show as enabled even when functioning correctly
- The issue affects the display of audit settings in Local Group Policy Editor and Local Security Policy
- The problem is primarily a reporting inconsistency and does not affect actual audit functionality
- This issue is resolved in KB5058921 (OS Build 14393.7973) Out-of-band update
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 2025-04-24 02:17 PM