CVE-2026-97759CriticalCVSS 8.8

Microsoft Office Excel Remote Code Execution Vulnerability

Published
October 13, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

🎯 Affected products7

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Office 365 for Mac
  • Microsoft Office LTSC 2024 for 32-bit editions
  • Microsoft Office LTSC 2024 for 64-bit editions
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Office LTSC for Mac 2024

✅ Remediation

KBRelease Notes (Security Update) — fixed build 16.0.17932.21056 KBRelease Notes (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KBRelease Notes (Security Update)

🔗 References (3)