The Microsoft Windows Production PCA 2011 certificate expires Monday, October 19, 2026. PCs without its 2023 replacement should still boot and receive standard Windows updates, but they may miss future security fixes for the boot process.

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Some users report that Windows 11’s October update, KB5127648, fails to install with error 0x800f0845—even though it fixes Explorer crashes and other issues. Similar complaints span earlier updates, including KB5121003, KB5129195, and KB5089549.

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Microsoft’s workarounds for KB5127648’s Smart App Control problem may help users who can’t turn the feature back on—a condition reported after the update. Smart App Control blocks potentially harmful apps before they run, which Microsoft says can also reduce ongoing background scanning and ease CPU load on lower-powered PCs.

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Microsoft has made Copilot for Legal generally available to Microsoft 365 Copilot commercial customers, bringing more than 20 legal-focused AI skills into Word and Cowork. In preview, more than 1,800 users generated over 100,000 suggested edits, and users kept about seven in ten. The launch gives legal teams tools for contract work and multi-step workflows without leaving Microsoft’s environment.

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Microsoft Edge for Business is set to get Watermark Protection in December 2026, adding persistent usernames and timestamps to sensitive content. The feature is a visibility and deterrence measure—not a block on screenshots or photos—and requires specific Microsoft Purview or DLP policies.

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Anthropic is consulting law firms on how AI agents should negotiate for users—before Claude agents begin bargaining over prices, complaints, or contract terms. The effort aims to balance representing a user’s interests with fair outcomes, as stronger models may secure better deals and widen gaps between users.

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Microsoft will remove the Copilot Studio app from Teams in February 2027, with agent editing in Teams ending a month earlier. Agent creation is already unavailable in the Teams app; users will need the Copilot Studio web app to create, edit, publish, and manage agents.

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PwnEscape, the critical Linux KVM guest-to-host flaw, may point to a wider weakness in how Linux handles network packets. Researcher Paulos Yibelo says the issue—previously reported as a way for a guest to leak host memory or escape its VM—shows how untrusted checksum metadata can alter packet fields after validation. The vulnerability is rated 9.3 and can be triggered with malformed IPv4 packets.

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Microsoft Edge is prototyping updates that move the browser to a new version without closing windows or interrupting work. The feature is not in production, but users can already opt into idle-time restarts, while administrators can monitor security updates for managed Windows devices.

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Microsoft and NVIDIA have published a risk-management framework for open-weight models that puts the focus on how each model is deployed—not whether its weights are open. The guidance maps risks to evaluations and safeguards, while NVIDIA’s accompanying resources urge teams to record test results, mitigations, and unresolved gaps. It also cautions that testing a model alone cannot establish the safety of an AI agent or application.

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Microsoft says four October 2026 Windows Server updates can destabilize on-premises Exchange servers, with busy systems most at risk. The updates cap simultaneous Endpoint Mapper lookups at 512; if Exchange exceeds that limit, Outlook on the web may fail, mail can pile up, and database availability groups may lose quorum. Microsoft advises raising the limit—not uninstalling the updates.

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ChatGPT Pro users can now delegate parts of a task to parallel agents in the Chat tab and track their progress. OpenAI also claims GPT-6 Pro responds faster and works better with plugins and tools, but has published no figures showing the gains. The October 16 rollout leaves key details about how the feature works unanswered.

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Vijoy Pandey, SVP and GM of Outshift by Cisco, joins host Alex Kantrowitz to discuss how AI agents from different vendors could work together in enterprises. Pandey describes the infrastructure needed to connect agents and the risks that arise when their goals or assumptions diverge. He also shares his views on quantum computing, encryption risks, and how networking may evolve.

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Reflection AI has released Beam’s model weights and customization tools, making the 501-billion-parameter model available to developers after first introducing it as an efficient open-weight challenger. The package includes fine-tuning recipes, evaluation tools and a drafter model intended to reduce inference costs.

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Microsoft has extended support for App-V Server through October 9, 2029, giving organizations more time to move away from the legacy application-delivery system. The extension covers security updates when needed, but brings no new features or product changes.

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Microsoft’s MAI-Base-2 has 2.8 trillion parameters—not the 2 trillion reported in initial coverage—and activates 80 billion per token. Pretraining is complete, but the model is still undergoing post-training, so it is not yet a finished model for deployment.

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Microsoft Edge will disable browser-native XSLT by default in version 159, expected in mid-December 2026, then remove support entirely in version 176 in summer 2027. The timetable gives organizations a migration window as Chromium’s XSLT changes threaten RD Web Access compatibility.

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DeepSeek’s V4.1-Flash-1017 posts a 77% DeepSWE score at an average cost below $0.20 per task in the company’s tests, while producing shorter outputs than its predecessor. DeepSeek has also opened its Search and Fetch APIs to developers, charging $0.75 per 1,000 calls.

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Brock Mesarich covers new AI models and agents, including Google Gemini 4 Argon, Grokbot’s dedicated email, and Fish Audio Drama 3. He also discusses the possible arrival of Claude Fable 5.5 and Meta’s Muse models. The updates highlight a shift toward AI that can complete tasks, create realistic speech, and run on local hardware.

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