A critical one-click vulnerability in Microsoft Copilot Personal, tracked as CVE-2026-24301 and dubbed CoSnitch. This flaw could enable an attacker to trigger malicious Copilot prompts, access data from connected OAuth applications, and silently transmit that information to an attacker-controlled server. Microsoft addressed this issue on August 18, 2026, following Varonis’s responsible disclosure in December 2025. […]

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