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Windows security updates

Microsoft says some users can’t open the Teams desktop client
Winsage
September 4, 2026

Microsoft says some users can’t open the Teams desktop client

Microsoft is addressing an issue (TM1466820) causing delays or preventing some users from accessing the Microsoft Teams desktop client on Windows systems, acknowledged on Thursday at 16:45 EDT. Affected users may experience loading failures or delays of up to two minutes and are advised to use the web or mobile versions of Teams as a temporary workaround. Microsoft is analyzing service logs and telemetry data to identify the root cause and has contacted some affected users for more information. Additionally, there is a separate issue (TM1466659) affecting Mac users, preventing them from joining Teams calls and meetings, confirmed on Sunday at 08:32 EDT. Microsoft is reassessing the cause of this disruption. Earlier this year, Microsoft resolved an issue blocking some Teams Free users from chats and calls. The company also confirmed a bug causing crashes and launch failures for Teams and New Outlook users after recent Windows security updates. Furthermore, there is an ongoing Exchange Online issue affecting multiple mailboxes, resulting in "Server busy" errors and delays in email communications with external domains.
Windows 11's August update broke Teams and Outlook on Arm PCs
Winsage
September 4, 2026

Windows 11’s August update broke Teams and Outlook on Arm PCs

Microsoft has identified an issue affecting Microsoft Teams and the new Outlook for Windows on Arm-based devices, such as the Surface Pro 11 and Surface Laptop 7, following the installation of Windows security updates released on or after August 11, 2026, specifically the KB5121003 update. The affected Windows 11 versions include 24H2, 25H2, and 26H1, causing these applications to fail to launch or close unexpectedly, while classic applications like Outlook, Word, and Excel remain unaffected. The issue is more prevalent on new or freshly imaged PCs that have not received updates from the Microsoft Store. Microsoft is working on a solution to be included in a future Windows update. In the meantime, users can mitigate the issue by updating to the latest version of the Auto Super Resolution Package (version 1.0.19.0 or later) via the Microsoft Store.
Microsoft rolls out fix for Windows 11 crashes, gaming issues
Winsage
August 28, 2026

Microsoft rolls out fix for Windows 11 crashes, gaming issues

Microsoft has begun rolling out a permanent solution to a system stability and gaming performance issue on Windows 11 devices, which has caused crashes, game launch failures, and freezing, often with the "EXCEPTIONACCESSVIOLATION" error message. The problem was linked to updates from August 2026 and was identified as being related to peripherals with RGB lighting features that installed disruptive drivers. Specifically, the inpoutx64.sys driver was found to be responsible for these disruptions. Microsoft is deploying a fix that disables this driver on affected systems, starting from August 26, 2026. This driver block will also be included in the September 2026 Windows security updates. For enterprise-managed devices, a temporary workaround involves manually disabling the inpoutx64 driver via the Windows Registry. Microsoft has assured users that this action should not cause unintended behavior and can be reversed.
silver Android smartphone
Winsage
August 28, 2026

Microsoft rolls out fix for Windows 11 crashes, gaming issues

Microsoft has begun rolling out a permanent solution to a problem causing system crashes and gaming disruptions on Windows 11 devices, specifically related to game launch failures and freezing with "EXCEPTIONACCESSVIOLATION" errors. The issue affects various games, including ARC Raiders, MARVEL Tōkon: Fighting Souls, and The Finals, particularly on Windows 11 versions 24H2 and 25H2, and is linked to peripherals with built-in RGB lighting. The inpoutx64.sys driver has been identified as the cause of these complications. Microsoft is deploying a fix that disables this driver on affected devices, starting on August 26, 2026, and it may take up to 24 hours to reach all impacted devices. This driver block will also be included in the September 2026 Windows security updates. For enterprise-managed devices that do not automatically receive the fix, a temporary workaround involves disabling the inpoutx64 driver via the Windows Registry. Microsoft has stated that disabling this registry key should not lead to unintended behavior.
Microsoft "Resolves" Windows 11 Crashing Games with a Registry Hack
Winsage
August 28, 2026

Microsoft “Resolves” Windows 11 Crashing Games with a Registry Hack

Late last week, reports emerged about gameplay disruptions linked to the Windows 11 August update, causing issues like forced crashes, unexpected freezing, and device restarts. Microsoft identified the interaction between gaming applications and RGB peripherals as the cause. They released a workaround involving a registry modification to prevent the inpoutx64 driver from loading, which resolved the issue temporarily. This workaround specifically targets devices with the inpoutx64 driver enabled and the game ARC Raiders installed. Users can disable the driver by modifying the registry key HKEYLOCALMACHINESYSTEMCurrentControlSetServicesinpoutx64, changing the Start value to 4, and restarting the computer. Microsoft is also working to block RGB peripherals for the game MARVEL Tōkon: Fighting Souls and has addressed similar issues for THE FINALS. The driver block will be included in the September 2026 Windows security updates and future releases.
Microsoft's August update fixes a Windows flaw that's already being attacked
Winsage
August 13, 2026

Microsoft’s August update fixes a Windows flaw that’s already being attacked

The upcoming Patch Tuesday is scheduled for September 8th, 2026, during which Microsoft will address over 200 vulnerabilities across Windows platforms, including Windows 10, Windows 11, and Windows Server. Windows 10 users in the Extended Security Updates (ESU) program will receive updates until October 2027. Among the vulnerabilities, CVE-2026-68820 allows attackers to gain elevated privileges through the Windows auxiliary function driver for Winsock. Microsoft has identified 18 vulnerabilities as critical, including CVE-2026-62878, an RCE vulnerability in the Windows DNS server that can lead to a buffer overflow and code execution without user interaction. Another critical issue is CVE-2026-62893, a UAF vulnerability in the TFTP server of Windows Deployment Services, which allows code injection through UDP port 69. Additionally, CVE-2026-62815, an RCE vulnerability in Quick UDP Internet Connections (QUIC), permits code execution without user interaction, while CVE-2026-59124, although high risk, is not classified as critical due to the HPC Pack not being enabled by default.
Microsoft shares some details on Azure outage that blocked Windows 11 update downloads
Winsage
July 24, 2026

Microsoft shares some details on Azure outage that blocked Windows 11 update downloads

This week, Meta experienced a global outage affecting Facebook users, followed by Microsoft facing performance issues with its M365 services, including Teams and SharePoint. Microsoft also reported difficulties with Azure, impacting Windows 11 updates and the Microsoft Store. The issues began around 11:15 AM PST on July 23, 2026, with a notification to users about the Azure outage affecting Windows Update and related services. Microsoft initiated recovery efforts and by 1:45 PM PST, announced that the issues were resolved and services were restored. Currently, there are no ongoing issues reported on the Microsoft Service Health Status page, but the incident is documented on the Windows Release Health page.
Microsoft's July patches fix over 600 flaws, shattering last month's record
Winsage
July 16, 2026

Microsoft’s July patches fix over 600 flaws, shattering last month’s record

Microsoft has released its July 2026 Patch Tuesday updates, addressing 570 new security vulnerabilities, bringing the total for the month to over 620. The cumulative count of vulnerabilities patched this year has reached 1,380, exceeding the total of 1,250 for the entire year of 2020. Over 400 vulnerabilities are related to various versions of Windows, and the Windows 10 Extended Security Update program has been extended until October 12, 2027. Notable vulnerabilities include CVE-2026-56155 in Active Directory Federation Services, which allows attackers to gain administrator rights, and several critical Remote Code Execution vulnerabilities, including CVE-2026-57092 in Hyper-V and CVE-2026-56190 in Remote Desktop Protocol. Microsoft has also patched 97 vulnerabilities in Office products, with 17 classified as critical RCE vulnerabilities, and four vulnerabilities in Exchange Server, including CVE-2026-55008. The latest Microsoft Edge update addresses 27 vulnerabilities related to Chromium, and a vulnerability in Minecraft Bedrock servers has been patched.
AI Threat Forces Microsoft To Update Windows Patch Guidance
Winsage
July 11, 2026

AI Threat Forces Microsoft To Update Windows Patch Guidance

Microsoft is advocating for a reevaluation of Windows patch management practices due to the rapid evolution of artificial intelligence (AI) impacting cybersecurity. The company emphasizes that traditional timelines for patch deployment, typically spanning several weeks after the monthly Patch Tuesday, are inadequate against modern cyber threats. Microsoft recommends organizations shorten deployment windows to under three days for quality updates, with immediate installation deadlines and minimal user grace periods. To support these changes, Microsoft is enhancing Windows Autopatch with a new reporting dashboard for patch compliance and security insights. The company is promoting cloud-managed deployment through Microsoft Intune and Windows Autopatch while continuing to support legacy tools. Additionally, Microsoft is introducing Windows Hotpatch technology, allowing security updates to be installed without immediate reboots, and advocating for the use of identity-based access controls to isolate unpatched devices. The guidance reflects a shift from scheduled patching to continuous risk management, encouraging organizations to prioritize high-risk assets and automate update deployments. Microsoft is also investing in AI-assisted vulnerability discovery and automated code analysis to improve defensive capabilities. The overarching message is that enterprises must adapt their update strategies to address the accelerated pace of AI-driven exploitation.
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