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CVE Number Vulnerability Product Severity Date
CVE-2025-53733 Microsoft Word Remote Code Execution Vulnerability Microsoft Office, Microsoft 365, Microsoft Sharepoint, Microsoft Word Critical 01-09-2025

Technical Information

The unauthorized attacker can exploit an incorrect conversion between numeric types 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-2025-53733

Affected Software

Microsoft SharePoint Enterprise Server 2016,
Microsoft SharePoint Server 2019,
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 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,
Microsoft Word 2016 (32-bit edition),
Microsoft Word 2016 (64-bit edition)