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CVE Number Vulnerability Product Severity Date
CVE-2026-69285 Microsoft Office Remote Code Execution Vulnerability Microsoft Office, Microsoft 365 Critical 15-10-2026

Technical Information

An unauthenticated attacker can exploit a heap-based buffer overflow in Microsoft Office by tricking a victim into opening a specially crafted document, potentially achieving remote code execution with the victim’s privileges.

Patch release date: Sep 08, 2026
Further information on this vulnerability is available at : CVE-2026-69285

Affected Software

Microsoft Office 2019 for 32-bit editions,
Microsoft Office 2019 for 64-bit editions,
Microsoft 365 Apps for Enterprise for 32-bit Systems,
Microsoft 365 Apps for Enterprise for 64-bit Systems,
Microsoft Office LTSC 2021 for 64-bit editions,
Microsoft Office LTSC 2021 for 32-bit editions,
Microsoft Office LTSC 2024 for 32-bit editions,
Microsoft Office LTSC 2024 for 64-bit editions,
Microsoft Office 2016 (32-bit edition),
Microsoft Office 2016 (64-bit edition)