CVE-2025-27748

Microsoft Office Remote Code Execution Vulnerability

State: Published
Severity: 7.8 High
Published: Apr 8, 2025
Updated: Aug 10, 2026
Reserved: Mar 6, 2025

Description

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Microsoft 365 Apps for EnterpriseMicrosoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office 2016Microsoft	16.0.0 to before 16.0.5495.1002Affected
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 16.96.25041326Affected
Microsoft Office LTSC for Mac 2024Microsoft	16.0.0 to before 16.96.25041326Affected

References

Microsoft Office Remote Code Execution Vulnerabilityvendor-advisorypatch

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