Microsoft has released the September 2025 cumulative security update for Windows 11, version 24H2 — KB5065426 (OS Build 26100.6584) — a combined Latest Cumulative Update (LCU) and Servicing Stack Update (SSU) that delivers security hardening, targeted bug fixes, AI component updates for Copilot+...
24h2
ai components
certificateexpiration
copilot
enterprise it
extended security updates
file explorer ai
hotpatching
june 2026
kb5065426
kerberos
lcu
microsoft update catalog
oem
on-device ai
passkeys windows hello
patch
powershell 2.0 removal
psdirect
recall feature
secure boot
smb auditing
smb signing
ssu
ssu-lcu
task manager
taskbar
windows 11
windows 11 24h2
windows backup
windows update
wsus
wusa
Microsoft released a hotpatch—KB5065474—on September 9, 2025, for Windows 11 Enterprise LTSC 2024 that updates eligible devices to OS Build 26100.6508 and delivers targeted security and quality fixes while calling attention to an important Secure Boot certificate expiration window and a specific...
Microsoft has published KB5066360, a hotpatch that updates Windows PowerShell on Windows 11 Enterprise LTSC 2024 to OS Build 26100.6569, addressing a specific PSDirect connectivity failure that could, under narrow conditions, allow unauthorized non-administrator access between host and guest...
Microsoft published a new Setup Dynamic Update package, KB5065378, for Windows 11, version 24H2 and Windows Server 2025 on August 29, 2025 — a narrowly scoped but important backstage update that refreshes the setup binaries and SafeOS components used during feature updates and installations. The...
Microsoft released an out‑of‑band (OOB) non‑security update on August 19, 2025 — KB5066189 for Windows 11 (OS Builds 22621.5771 and 22631.5771) — to repair a regression introduced by August’s cumulative updates that can block device reset and recovery operations, and to deliver a servicing stack...
Microsoft's recent servicing cycle for Windows Server 2022 ties together two urgent security themes: Microsoft has pushed a cumulative update (KB5063880) that carries fixes and quality improvements while reiterating critical remediation guidance for a Netlogon Remote Protocol hardening released...
Microsoft’s August Patch Tuesday lands as a combined servicing stack and cumulative update that not only patches the usual security holes but also delivers a substantive set of user-facing improvements for Windows 11 version 24H2 — including Copilot+ feature updates, a redesigned...
Microsoft has published the August 12, 2025 cumulative security update for older Windows 11 branches — KB5063875, which updates OS Builds 22621.5768 and 22631.5768 — delivering a combined Latest Cumulative Update (LCU) and Servicing Stack Update (SSU) for devices still on Windows 11 versions...
Microsoft released a hotpatch for Windows 11 Enterprise LTSC 2024 today — KB5064010 (OS Build 26100.4851) — delivering targeted security and quality improvements while bundling the latest servicing stack update and extending hotpatch availability to eligible Arm64 Enterprise devices. Background...
August 12, 2025, saw Microsoft publish KB5064010 — a hotpatch for Windows 11 Enterprise LTSC 2024 that advances the OS to OS Build 26100.4851, delivering targeted security hardening without the broad-feature changes or mandatory restarts that administrators dread. This release is part of...
Microsoft released the August 12, 2025 cumulative security update for Windows 11, version 24H2 — KB5063878 (OS Build 26100.4946) — a combined LCU+SSU package that continues July’s quality fixes, delivers component updates for Copilot+ AI features, and reiterates a critical Windows Secure Boot...
Microsoft has shipped the August 12, 2025 cumulative security update for Windows 11, version 24H2 (KB5063878, OS Build 26100.4946), a routine Patch Tuesday release that combines the latest servicing stack update with the monthly cumulative update, patches a range of security issues, and contains...
24h2
26100.4946
ai components
ai updates
certificateexpiration
copilot
dual boot
firmware
it administration
kb5063878
kek ca 2023
lcu
oem
oem firmware
patch
sccm
secure boot
secure boot certificates
servicing stack update
ssu
uefi
windows 11
windows 11 24h2
windows update for business
wsus
wsus-sccm
Microsoft released the August 12, 2025 cumulative security update for Windows 11, version 24H2 — KB5063878 (OS Build 26100.4946) — a routine but important monthly package that bundles the latest cumulative fixes, updates to several AI components (targeted at Copilot+ devices), and an updated...
2026 expiration
24h2
ai components
air-gapped deployment
august 2025
certificateexpiration
configmgr
copilot
enterprise rollout
firmware
kb5063875
kb5063878
kek ca 2011
kek ca 2023
kek db updates
lcu
oem firmware
oem partnerships
os build 22621.5768
os build 26100.4946
patch
rollout testing
secure boot
secure boot certificates
servicing stack update
ssu
uefi
windows 11
windows update
windows update for business
wsus
Microsoft has released Windows 11 KB5062633 for version 23H2, promising a focused set of bug fixes rather than new features, while also underscoring a critical warning about Secure Boot certificate expiration that enterprises—and attentive consumers—should not overlook. As an optional cumulative...
backup reliability
bug fixes
certificateexpiration
device connectivity
enterprise security
firmware
input language
kb5062633
printer discovery
secure boot
secure boot certificates
security
security updates
system compatibility
system freeze
system reliability
system update
windows 11
windows security
windows update
Here is a summary of KB5062839: Setup Dynamic Update for Windows 11, version 24H2 and Windows Server 2025 (Released July 22, 2025):
Overview
This update makes improvements to Windows setup binaries or any files used for feature updates in:
Windows 11, version 24H2 (all editions, including SE...
boot security
certificateexpiration
deployment
feature updates
kb5062839
microsoft support
os updates
secure boot
security
software update
system reliability
tech news
windows 11
windows server 2025
windows setup
windows update
wsus
Microsoft has issued an urgent warning to Windows users regarding the impending expiration of Secure Boot certificates, a critical component in the system's startup security. These certificates are set to expire starting in June 2026, potentially affecting the ability of personal and business...
azure virtual machines
business security
certificateexpiration
cybersecurity
firmware
microsoft update kb5064489
secure boot
secure boot certificates
security
system update
uefi
vbs security
windows 10
windows 11
windows maintenance
windows security
windows update
As July’s Patch Tuesday rolled out, Microsoft addressed a broad swath of critical vulnerabilities and introduced significant system stability and performance enhancements with the release of cumulative update KB5062554 for Windows 10. This update, applicable to Windows 10 versions 21H2 and 22H2...
certificateexpiration
cumulative update
cybersecurity
elevation of privilege
firmware
it infrastructure
kb5062554
patch
patch management
remote code execution
secure boot
security
security best practices
servicing stack update
system stability
vulnerabilities
windows 10
windows update
windows vulnerabilities
Microsoft has released KB5062683, a Setup Dynamic Update for Windows 11 versions 22H2 and 23H2, dated July 8, 2025. This update focuses on enhancing the Windows setup binaries and related files utilized during feature updates, aiming to improve the overall setup experience for users.
Key...
certificateexpiration
feature updates
kb5062683
microsoft support
microsoft update catalog
os installation
performance update
secure boot
setup update
system reliability
tech news
upgrade
windows 11
windows 11 22h2
windows compatibility
windows security
windows setup
windows troubleshooting
windows update
Here is a summary of the update described in the Microsoft Support KB article for KB5062688 (Safe OS Dynamic Update for Windows 11, version 24H2 and Windows Server 2025, released July 8, 2025):
Summary
This update improves the Windows recovery environment (WinRE) for Windows 11 24H2 and...
arm64
certificateexpiration
device compatibility
device security
dism
event viewer
extended security updates
firmware
it management
kb5062688
microsoft
microsoft support
os updates
powershell
recovery environment
safe os
safe os dynamic update
secure boot
secure boot certificates
security
system restore
system stability
troubleshooting
update installation
usb-c
windows 11
windows maintenance
windows recovery
windows server 2025
windows update
winre
Microsoft has released KB5062693, a Safe OS Dynamic Update for Windows 11 versions 22H2 and 23H2, dated July 8, 2025. This update enhances the Windows Recovery Environment (WinRE), ensuring a more robust and secure recovery process.
Key Highlights of KB5062693:
Windows Secure Boot Certificate...
boot error prevention
certificatecertificateexpiration
dynamic updates
extended security updates
it administration
kb5062693
maintenance
microsoft
microsoft patch
microsoft support
os security patches
recovery tools
safe os dynamic update
secure boot
secure boot certificates
security updates
system restore
system stability
system update
windows 11
windows 11 22h2
windows recovery
windows resiliency
windows security
windows update
winre
wsus