Calendar is Google's cloud-based calendar service (Google Calendar) within Google Workspace, integrated with Gmail and Google Docs for scheduling and event management.
Overview
Calendar is Google's cloud-based calendar service (Google Calendar) within Google Workspace, integrated with Gmail and Google Docs for scheduling and event management. In cybersecurity terms, its significance stems from a Gemini zero-click vulnerability that could grant attackers access to Calendar data as well as Gmail and Docs, enabling widespread data exposure and potential abuse across Google services.
Related Threat Clusters
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CoSnitch Attack Exposes Microsoft Copilot Vulnerabilities
Researchers from Varonis Threat Labs discovered a vulnerability in Microsoft Copilot Personal, dubbed 'CoSnitch,' that allows attackers to execute commands without user confirmation. By manipulating the AI's responses,…
10 articles · Updated August 18, 2026 -
Gemini Zero-Click Flaw Exposes Google Services to Attackers
A zero-click vulnerability known as 'GeminiJack' was identified in Google Gemini Enterprise, allowing attackers to access sensitive data from Gmail, Calendar, and Google Docs. This architectural flaw exploited the way…
5 articles · Updated December 10, 2025
Recent Intelligence Reports
- Microsoft finally patches critical one-click Copilot vulnerability, almost eight months after learning of it — Csoonline · August 19, 2026
- Gemini Zero-Click Vulnerability Allowed Attackers to Access Gmail, Calendar, and Docs — Cyberpress · December 10, 2025
- Gemini Zero-Click Flaw Let Attackers Access Gmail, Calendar, and Google Docs — Gbhackers · December 10, 2025