CVE-2025-21364HighCVSS 7.8

Microsoft Excel Security Feature Bypass Vulnerability

Published
January 14, 2025
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

What kind of security feature could be bypassed by successfully exploiting this vulnerability? An attacker who successfully exploited this vulnerability could bypass Office macro policies used to block untrusted or malicious files.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? An attacker must send a user a malicious Office file and convince them to open it.

Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector.

🎯 Affected products4

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Office LTSC 2024 for 32-bit editions
  • Microsoft Office LTSC 2024 for 64-bit editions

✅ Remediation

KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases

🔗 References (2)