CVE-2026-62870HighCVSS 8.8
Microsoft Excel Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
🎯 Affected products10
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Excel 2016 (32-bit edition)
- Microsoft Excel 2016 (64-bit edition)
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2021 for 64-bit editions
- 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 KB5002886 (Security Update) — fixed build 16.0.5561.1001