Microsoft’s September Patch Tuesday has quietly closed two disruptive Windows regressions introduced in August — one that interfered with MSI-based app installs by unexpectedly surfacing User Account Control (UAC) prompts for standard users, and another that crippled NDI-based streaming...
cve-2025-50173
display capture
it admins
kb5065426
kir
msi
msi allowlist
ndi
ndi performance
obs
patch tuesday
release health
rudp
streamers
streamlabs
uac
windows 10
windows 11
Microsoft’s August 2025 security rollup hardened Windows Installer to close a privilege‑escalation hole, but the change has also begun prompting unexpected User Account Control (UAC) credential requests and breaking app installations for standard (non‑administrator) users across many Windows...
admin elevation
august 2025 update
autodesk
configmgr sccm
cve-2025-50173
enterprise deployment
kb5063878
kir
known issue rollback
msi error 1730
msi repair
office 2010
per-user vs per-machine
security hardening
software packaging
uac prompts
windows 10
windows 11
windows installer
windows server
Microsoft has confirmed a new compatibility problem that emerged after the August 12, 2025 cumulative security updates: a Windows Installer hardening intended to close a privilege‑escalation hole (tracked as CVE‑2025‑50173) is now triggering unexpected User Account Control (UAC) prompts for...
Microsoft’s August cumulative update intended to close a Windows Installer privilege‑escalation hole instead tightened the User Account Control (UAC) rules so aggressively that standard (non‑administrator) users now see unexpected UAC prompts and, in many cases, cannot complete everyday app...
Microsoft’s August cumulative for Windows 11 — shipped as KB5063878 (OS Build 26100.4946) on August 12, 2025 — has become the subject of two very different but intersecting headaches: an enterprise deployment regression that broke WSUS/SCCM installs (error 0x80240069) and a cluster of...
0x80240069
backups
cve-2025-50173
data integrity
enterprise it
kb5063878
kir
known issue rollback
nvme
phison
sccm
ssd
storage firmware
telemetry
troubleshooting
uac
windows 11
windows installer
wsus
Microsoft’s August 12, 2025 cumulative update for Windows 11 — delivered as KB5063878 (OS Build 26100.4946) — introduced a security hardening to Windows Installer that closed a real privilege-escalation risk but also changed how MSI “self‑repair” and per‑user configuration flows behave, leading...
Microsoft’s August security hardening that patched a Windows Installer flaw has closed a real attack vector — but it also introduced a compatibility headache that is prompting UAC credential prompts and outright failures in environments that rely on per‑user MSI repair and advertising flows. The...
advertising flow
configmgr
cve-2025-50173
deployment best practices
education it
endpoint security
enterprise it
intune
it administration
kb5063878
kir
known issue rollback
msi 1730
msi repair
per-user repair
privilege escalation
security hardening
uac
windows
windows installer
Microsoft has acknowledged a compatibility regression introduced by the August 12, 2025 cumulative Windows updates that can cause unexpected User Account Control (UAC) elevation prompts and MSI Error 1730 failures for non‑administrator users when applications trigger Windows Installer (MSI)...
Microsoft has confirmed and mitigated a compatibility regression introduced by the August 12, 2025 security update KB5063878 that caused unexpected User Account Control (UAC) prompts and failed repairs for applications using Windows Installer (MSI), with the Windows Server 2025 release-health...
advertised install
autocad
cve-2025-50173
enterprise it
first run
kb5063878
kir
known issue rollback
msi
office 2010
patch management
per-user msi
release health
sccm
uac
windows
windows installer
windows server 2025
wsus
Microsoft’s August cumulative update chain, notably KB5063878, introduced a hardening to Windows Installer that has forced a rethink of how User Account Control (UAC) and MSI "self‑repair" flows behave — and that hardening, while closing a real security gap (tracked as CVE‑2025‑50173), has also...
active setup
autodesk autocad
cve-2025-50173
education it
enterprise it
epm
it governance
kb5063878
kir
known issue rollback
msi
msi advertising
patch management
privilege escalation
sccm
self-repair
software deployment
uac
windows 11 24h2
windows installer
Microsoft's August 2025 cumulative updates have produced a high‑profile compatibility regression that prevents many non‑administrator users from completing per‑user MSI installations and self‑repairs, prompting emergency mitigations from Microsoft and a wave of operational guidance for IT teams...
0x80240069
admin guidance
configuration manager
cve-2025-50173
elevation of privilege
group policy
intune
it lab
kb5063878
kir
known issue rollback
msi
patch management
per-user msi
sccm
windows 11 24h2
windows installer
windows update
wsus
Microsoft has confirmed that the August cumulative security update for Windows 11 (KB5063878, OS Build 26100.4946) is causing severe stuttering, lag, and choppy audio/video when using NDI-based streaming flows — an issue that hits production tools such as OBS and NDI Tools and has forced...
broadcast
display capture
kb5063878
kir
live streaming
ndi
ndi access manager
ndi tools
network transport
obs
os build 26100.4946
release health
rudp
single tcp
transport modes
udp legacy
update management
video production
windows 11
wsus
Microsoft has temporarily paused the roll‑out of recent Windows updates after a cascade of high‑impact problems—including broken recovery tools, WSUS installation failures, and reports of storage devices becoming inaccessible—hit a subset of users and enterprise environments nationwide...
backup
data loss
enterprise it
kb5063878
kir
known issue rollback
out-of-band
patch management
pilot testing
recovery failure
release health
remote wipe
reset
sccm
security updates
ssd
storage
windows 11 24h2
windows update
wsus
Microsoft has quietly confirmed that a routine August security roll‑out has broken core recovery features on multiple Windows builds, and an out‑of‑band emergency update is imminent to fix failed Reset and Recovery operations for affected platforms. (windowslatest.com)
Background
Microsoft...
data loss
enterprise it
kb5063709
kb5063875
kb5063878
kir
known issue rollback
nvme
out-of-band patch
patch tuesday
phison
recovery
reset this pc
sccm
security update
ssd issues
storage instability
windows 10
windows 11
wsus
Microsoft has told Windows 11 users that they can safely ignore repeated CertEnroll errors that began appearing in Event Viewer after the July 2025 preview updates and widened with the August 2025 Patch Tuesday cumulative, characterizing the entries as a cosmetic logging artifact rather than an...
august 2025
certenroll
certificate enrollment
cosmetic logging
enterprise it
event id 57
event viewer
july 2025
kir
known issue rollback
log hygiene
log noise
microsoft pluton
patch tuesday
release health
security updates
telemetry management
tls certificates
windows 11
Microsoft has pushed a targeted rollback and policy fixes to repair a Windows Update Standalone Installer (WUSA) regression that could break .msu installations when run from network shares and disrupt enterprise update pipelines that rely on WSUS, SCCM, or scripted WUSA deployment. d delivery...
Microsoft has confirmed three distinct issues tied to the August 12, 2025 cumulative security update for Windows 11 version 24H2 (KB5063878), affecting enterprise update channels and producing noisy, though largely nonfunctional, error logs on some devices; Microsoft has issued rollbacks...
Microsoft pushed a targeted re-release and mitigation for the August 2025 Windows 11 24H2 cumulative update (KB5063878) after enterprise customers reported widespread WSUS/SCCM delivery failures that surfaced as error code 0x80240069 — Microsoft acknowledged the problem and rolled a containment...
Microsoft has acknowledged an emergency problem with the August 12, 2025 cumulative update for Windows 11 (KB5063878), after enterprise administrators reported widespread installation failures when the package is delivered through Windows Server Update Services (WSUS) and System Center...
0x80240069
24h2
adml
admx
enterprise update
group policy
intune
kb5063878
kir
known issue rollback
microsoft update catalog
msu
os build 26100.4946
patch management
sccm
update troubleshooting
windows 11
windows update
wsus
Microsoft has confirmed that the August cumulative update for Windows 11 version 24H2 (KB5063878, OS Build 26100.4946) is failing to install on some enterprise-managed endpoints delivered via WSUS and SCCM, and Redmond has published a Known Issue Rollback (KIR) policy that administrators can...