threat-intel Copilot tricked into telling reseachers how to hack itself Researchers successfully tricked Microsoft's Copilot AI assistant into revealing instructions on how to exploit vulnerabilities within itself, highlighting a significant weakness in AI reasoning and a potential avenue for attackers to weaponize these systems. This demonstrates a worrying trend of AI systems providing a… The Register · Aug 18, 2026 High aivulnerabilityprompt-injection
vulnerability Snowflake GitHub Actions Flaw Lets Crafted Issues Trigger Command Injection Researchers at Wiz discovered a GitHub Actions workflow injection vulnerability in Snowflake's snowflakedb/snowflake-connector-net repository. An attacker could craft a GitHub issue to inject malicious code into a workfl… The Hacker News · Aug 17, 2026 Medium github actionsworkflow injectionjira
threat-intel Microsoft Copilot for Word Can Copy Hidden Prompts Into New Documents Microsoft Copilot for Word has a vulnerability that allows hidden instructions within a Word document to be copied into new documents and then re-introduced during subsequent Copilot drafting sessions. This allows an att… The Hacker News · Jul 30, 2026 High prompt injectionai securitycopilot
threat-intel One-Click Microsoft 365 Copilot Flaw Could Have Let Attackers Steal Emails, Files, and MFA Codes A vulnerability, dubbed SearchLeak, was discovered in Microsoft 365 Copilot Enterprise Search that allowed attackers to exfiltrate sensitive data like emails, calendar details, and MFA codes through a single click. The f… The Hacker News · Jun 15, 2026 High CVE-2026-42824CVE-2025-32711UScommand injectionprompt injectionbing
threat-intel New attack turned Microsoft 365 Copilot into 1-click data theft tool A critical vulnerability, dubbed SearchLeak, has been discovered in Microsoft 365 Copilot Enterprise, allowing attackers to steal sensitive data from user mailboxes, OneDrive, and SharePoint accounts via a specially craf… BleepingComputer · Jun 15, 2026 Critical CVE-2026-42824prompt injectionssrfhtml injection