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CVE Number Vulnerability Product Severity Date
CVE-2025-53784 Microsoft Word Remote Code Execution Vulnerability Microsoft Office, Microsoft 365 Critical 01-09-2025

Technical Information

The unauthorized attacker can exploit a use-after-free vulnerability in Microsoft Word through the Preview Pane attack vector, enabling arbitrary code execution locally even though the attack is initiated remotely.

Patch release date: Aug 12, 2025
Further information on this vulnerability is available at : CVE-2025-53784

Affected Software

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