Cumulative Update
The latest Cumulative Update coverage — news, analysis, and updates from the WindowsNews.AI desk.
Kerberos CVE-2025-26647 Hardening Causes Authentication Chaos: The Full Story of Audit-to-Enforce and NTAuth Requirements
Microsoft’s April 2025 security updates introduced mandatory Kerberos protections for CVE-2025-26647, but the enforcement phase triggered a cascade of authentication failures across enterprise...
KB5064080 Delivers Enterprise Backup and Secure Boot Warning to Windows 11 23H2
Microsoft released an optional non-security preview update for Windows 11 version 23H2 on August 26, 2025, packing a new enterprise backup capability and a stark reminder about expiring Secure Boot...
Microsoft’s Emergency Out-of-Band Updates Fix Windows Reset, Recovery Issues Caused by August Patch
Microsoft has released a set of emergency out-of-band cumulative updates to fix a critical regression that broke Windows’ built-in recovery tools, including the Reset This PC feature and remote...
Windows 11 KB5063878 Triggers SSD Disappearances Under Load, Phison and Microsoft Scramble for Fix
Microsoft’s August 12, 2025 cumulative update for Windows 11 24H2 (KB5063878, OS Build 26100.4946) is at the center of an escalating storage crisis. Multiple independent testers and specialist...
Microsoft Emergency Update Repairs Windows Recovery Breakage from August 2025 Patch Tuesday
Microsoft deployed an emergency out-of-band update on August 19, 2025, to resolve a high-impact regression that paralyzed Windows’ built-in reset, cloud recovery, and remote wipe capabilities. The...
Windows Recovery Breaks After August Update: Microsoft Issues Emergency Fix
Microsoft rushed out emergency out-of-band updates on August 19, 2025, after confirming that its August Patch Tuesday cumulative updates had broken core Windows recovery functions. The flaw left...
Microsoft Delivers Emergency KB5066189 to Repair Windows 11 Reset and Cloud Recovery
Microsoft shipped an out-of-band update on August 19, 2025, KB5066189, explicitly built to mend catastrophic failures in Windows 11’s reset, cloud recovery, and remote wipe flows. The patch...
Microsoft Confirms August Patches Cripple Windows Reset & Remote Wipe; OOB Fix Underway
Microsoft has confirmed that the August 2025 Patch Tuesday updates have introduced a critical regression that breaks built-in reset and recovery operations on multiple supported Windows client...
KB5063878 Breaks WSUS, Recovery on Windows 11—Microsoft Scrambles with KIR and Out-of-Band Fix
The August 2025 Patch Tuesday cumulative update for Windows 11 24H2, KB5063878 (OS Build 26100.4946), has delivered a triple blow to enterprise administrators, triggering mass WSUS/SCCM install...
August 2025 patch KB5063877 ends Windows Server 2019 cluster crashes tied to BitLocker CSVs
Microsoft’s August 2025 cumulative update, KB5063877, resolves a critical bug that caused Cluster Service crashes on Windows Server 2019 nodes using BitLocker-encrypted Cluster Shared Volumes...
Microsoft Says Ignore Event ID 57 CertEnroll Error, Calls It Cosmetic
A new generation of Windows 11 error messages is testing the patience of system administrators once again. Microsoft is now advising IT pros to disregard a recurring Event Viewer entry that warns of...
New XSS Vulnerability in Dynamics 365 On-Premises Allows Spoofing Attacks – Patch Now
Microsoft has assigned CVE-2025-49745 to a cross‑site scripting (XSS) vulnerability affecting on‑premises deployments of Dynamics 365, warning that improper input neutralization during web page...