CVE-2025-21357

Microsoft Outlook Remote Code Execution Vulnerability

State: Published
Severity: 6.7 Medium
Published: Jan 14, 2025
Updated: Jun 9, 2026
Reserved: Dec 11, 2024

Description

Microsoft Outlook Remote Code Execution Vulnerability

Scores

CVSS	Score	Vector	Source
3.1	6.7 Medium	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-908 Use of Uninitialized Resource

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 Outlook 2016Microsoft	16.0.0.0 to before 16.0.5483.1000Affected

References

Microsoft Outlook Remote Code Execution Vulnerabilityvendor-advisorypatch

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