CVE-2025-53733

Microsoft Word Remote Code Execution Vulnerability

State: Published
Severity: 8.4 High
Published: Aug 12, 2025
Updated: Feb 13, 2026
Reserved: Jul 9, 2025

Description

Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Scores

CVSS	Score	Vector	Source
3.1	8.4 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-681 Incorrect Conversion between Numeric Types

Affected Products

Product	Versions
Microsoft 365 Apps for EnterpriseMicrosoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office 2019Microsoft	19.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC 2021Microsoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC 2024Microsoft	16.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC for Mac 2021Microsoft	16.0.1 to before 16.100.25081015Affected
Microsoft Office LTSC for Mac 2024Microsoft	16.0.0 to before 16.100.25081015Affected
Microsoft SharePoint Enterprise Server 2016Microsoft	16.0.0 to before 16.0.5513.1002Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20041Affected
Microsoft Word 2016Microsoft	16.0.1 to before 16.0.5513.1000Affected

References

Microsoft Word Remote Code Execution Vulnerabilityvendor-advisorypatch

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