⚡ Exploit-DB.ai CRITICAL
CRITICAL

CVE-2023-21716

Published: March 18, 2026 · Source: National Vulnerability Database (NVD)

⚡ AI Threat Assessment

Word RTF RCE trigger via Outlook preview pane — zero-click when email is previewed. Apply February 2023 patches. As compensating control, disable RTF as an attachment type at the mail gateway and in Outlook preview settings via Group Policy.

📋 Official Description

A remote code execution vulnerability exists in Microsoft Word when parsing RTF files. An attacker could be exploited when users open a specially crafted RTF email preview in Outlook.

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