CVE-2026-70242CriticalCVSS 9.8
Microsoft Office Outlook Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
🎯 Affected products6
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- 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
KBRelease Notes (Security Update) — fixed build 16.0.14334.20974 KBRelease Notes (Security Update) — fixed build 16.0.17932.21056 KBRelease Notes (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases