Microsoft Copilot Personal Flaws Could Let One Click Exfiltrate Data From Connected Apps

Varonis Threat Labs has disclosed three vulnerabilities in Microsoft Copilot Personal that it said could allow a single click on a crafted link to silently pull data from connected apps and other information available to the victim's Copilot session.

The flaws, which the researchers collectively named CoSnitch, turn in part on an undocumented URL parameter that the assistant itself surfaced

guid

https://thehackernews.com/2026/08/microsoft-copilot-personal-flaws-could.html

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https://thehackernews.com/2026/08/microsoft-copilot-personal-flaws-could.html

id: 2600
uid: BKOy7
insdate: 2026-08-18 19:10:06
title: Microsoft Copilot Personal Flaws Could Let One Click Exfiltrate Data From Connected Apps
additional: Varonis Threat Labs has disclosed three vulnerabilities in Microsoft Copilot Personal that it said could allow a single click on a crafted link to silently pull data from connected apps and other information available to the victim's Copilot session.

The flaws, which the researchers collectively named CoSnitch, turn in part on an undocumented URL parameter that the assistant itself surfaced
category: Cybersecurity
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guid: https://thehackernews.com/2026/08/microsoft-copilot-personal-flaws-could.html
source_url: https://thehackernews.com/2026/08/microsoft-copilot-personal-flaws-could.html
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