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Two‑thirds of organizations have postponed Microsoft Copilot amid fears it could expose confidential SharePoint data, and a recent Patch Tuesday fix revealed a
Microsoft Copilot’s rollout is being stalled by security concerns, with a CoreView survey finding 66% of organizations have delayed or cancelled deployment because the AI could surface confidential data, and a new Patch Tuesday update exposing a remote‑code vulnerability in the assistant [1][3].
| At a glance | |
|---|---|
| Survey delay rate | 66% of organizations postpone Copilot |
| Executive hesitation | 75% of C‑level leaders order a delay |
| Managerial delay | 60% of managers pause rollout |
| Copilot vulnerability | Remote‑code flaw patched in July 2026 |
The CoreView State of Microsoft 365 Security and Governance 2026 report, released 21 July, revealed that two‑thirds of surveyed firms have either delayed or cancelled their Copilot rollout over fears the AI could leak confidential SharePoint information [1]. The hesitation is strongest among senior executives, with three‑quarters of C‑level respondents instructing a pause, and 60% of managers doing the same. Respondents cited confusion over Copilot’s access permissions and the risk that the assistant could surface a decade’s worth of sharing links and mis‑configured permissions that had never been cleaned up. The report links this caution to prior Microsoft 365 security incidents tied to missing foundational controls such as MFA, privileged‑access management, or configuration‑tamper detection [1].
Microsoft’s July 2026 Patch Tuesday shipped fixes for 570 security flaws—nearly three times the prior month’s count—and among them was a remote‑code execution vulnerability in Copilot [3]. The flaw could have allowed an attacker to take control of the assistant simply by luring a victim to a malicious website via Edge on Android. This concrete exploit underscores the broader survey concerns: the same underlying data‑governance gaps that could let Copilot surface sensitive information also create a direct attack surface. Microsoft attributes the surge in discovered bugs to AI‑driven code analysis, but independent researchers note that AI‑generated proof‑of‑concept exploits may outpace existing risk‑rating models [3].
The convergence of survey‑driven hesitation and a tangible remote‑code flaw suggests that Copilot’s security posture will be a decisive factor in its enterprise adoption, and the next set of Microsoft updates will likely shape whether the AI assistant can overcome current trust barriers.
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AI-assisted synthesis by the TrendWatcher Editorial Desk · sourced from 3 outlets · Aug 1, 2026 · How we report
Researchers showed that malicious instructions can be hidden in a Word document, which Copilot may execute when generating or editing a new document, allowing the instructions to propagate to subsequent files.
Microsoft has implemented several focused mitigations, recommends installing the latest updates, employing multiple security layers, and reviewing AI‑generated content before use.
Microsoft intends to launch a unified Copilot "super app" that combines chat, coding, coworking, and autonomous Autopilot features for both consumer and business markets later in the year.
Microsoft reports approximately 30 million paid Copilot users among its 450 million business seats.
Experts argue that distinguishing instructions from data at the model or platform level is necessary to prevent similar injection attacks, but it requires industry‑wide architectural changes that are not yet in place.