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Copilot — AI news & analysis
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Microsoft 365 Copilot went down with the mail server — and that is the whole argument about integrated AI assistants
A core authentication misconfiguration took Exchange Online down at 17:30 UTC on 31 August 2026 and kept Microsoft 365 degraded into 2 September. Microsoft's own advisory names the AI casualty precisely: 'Copilot prompts that require Microsoft 365 grounding, such as email content, may fail.' Grounding is what you pay Copilot for, and grounding is exactly what the auth plane took away. The buyer lesson is that an integrated assistant inherits its host's blast radius, and your fallback has to live outside the tenant.
Read story →Microsoft patched CoSnitch on Monday — but a patch can't un-poison an AI assistant's memory, and that's the part buyers keep missing
On 18 August 2026 Microsoft fixed CVE-2026-24301, a critical one-click flaw in Copilot Personal that Varonis reported in December 2025. The exploit chained auto-executing prompts, OAuth-connected Gmail and Drive access, and memory poisoning that survives password changes, session revocation and device re-enrollment. Microsoft says customers 'do not need to take any action.' For anyone whose memory was already poisoned, that is not true. Here's what actually happened and what to check.
Read story →GitHub Copilot moves to token-based billing — flat-rate is dead, power users seeing 10-50× bill spikes
GitHub Copilot transitioned all plans to usage-based billing on June 1, 2026. Base subscription prices unchanged (Pro $10, Pro+ $39, Business $19/user, Enterprise $39/user), but the monthly fee now buys an equivalent dollar amount of AI Credits ($10 plan = $10 in credits). Tokens consumed by every input, output, and cached request count against the allotment. Code completions and Next Edit stay free. Power users running agentic Copilot workflows report 10-50× bill increases vs the old flat-rate model.
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