Letters to Editor dated 24th March, 2026

A letter to the editor published on March 24, 2026, disclosed a critical zero-day vulnerability in Microsoft Outlook for Windows, tracked as CVE-2026-21447, allowing remote code execution (RCE) via specially crafted email attachments. The flaw impacts all supported versions of Microsoft Outlook on Windows systems, potentially exposing millions of users to arbitrary code execution if exploited.