CVE-2025-21357: Microsoft Outlook Remote Code Execution Vulnerability
Published Jan 14, 2025
·Updated
Microsoft Outlook Remote Code Execution Vulnerability
Affected Software
20 affected componentsFixes available
Microsoft Outlook 2016
Microsoft Outlook 2016
Microsoft Office 2019 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel=2024
Microsoft Office Long Term Servicing Channel=2024
Microsoft Outlook=2016
Microsoft Outlook=2016
Remediation
Event History
Jan 14, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·06:04 PM
Data Sourced
via MITRE·06:04 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-21357?
CVE-2025-21357 is classified as a critical remote code execution vulnerability in Microsoft Outlook.
2
How do I fix CVE-2025-21357?
To mitigate CVE-2025-21357, users should apply the latest security updates released by Microsoft for the affected Outlook versions.
3
Which versions of Outlook are affected by CVE-2025-21357?
CVE-2025-21357 affects Microsoft Outlook 2016, Office 2019, Office LTSC 2021, Office LTSC 2024, and Microsoft 365 Apps for Enterprise.
4
Can CVE-2025-21357 be exploited remotely?
Yes, CVE-2025-21357 can be exploited remotely, allowing attackers to execute arbitrary code on an affected system.
5
What are the potential impacts of CVE-2025-21357?
The potential impact of CVE-2025-21357 includes unauthorized access to sensitive information and complete control over affected systems.