1. Phishing with Malicious Documents (The Enduring Classic): Hackers continue to use phishing emails with malicious Office documents to trick users.
2. Old Vulnerabilities That Won’t Die (The “Follina” and Equation Editor Legacy): Exploits like Follina and Equation Editor persist due to unpatched systems and can be delivered via phishing.
3. Privilege Escalation & Sandbox Escapes (The Sneaky Insiders): Attackers leverage vulnerabilities in Windows components related to Office to gain higher privileges or escape application sandboxes.
The Bottom Line: A layered security approach combining user education, robust technical controls, continuous patching, and proactive monitoring is crucial to stay secure against Microsoft Office exploits in 2025.