Cybersecurity Advisory
Microsoft Copilot Email and Teams Summarization Vulnerability Enables Phishing Attacks
1 month ago
20.00 GMT
AI assistants have rapidly transformed daily operations, streamlining tasks for teams managing overloaded inboxes, client communications, and incident response. Researchers from Permiso Security discovered a cross-prompt injection vulnerability in Microsoft 365 Copilot’s email summarization features, tracked as CVE-2026-26133. The flaw allows attackers to manipulate Copilot’s generated summaries by embedding attacker-controlled instructions within a normal email.
Download the Security Advisory Now
Recent Updates
- Iranian APT Activity Escalates Amid Geopolitical Conflict: Recommended Actions
- Handala Hack: Analysis of an Iran Linked Hacktivist Group’s Operational Playbook
- Drone strikes damage AWS data centres in UAE and Bahrain, disrupting services
- Geopolitical tensions Key Indicator of Compromise
- UAE warns public about growing threat of destructive ‘wiper’ cyberattacks
Protect your online assets from cyber threats with Paramount
Comprehensive cyber security solutions for individuals and businesses
Significantly reduce the risk of cyber threats and ensure a safer digital environment.