CVE-2024-21378: Microsoft Outlook Remote Code Execution Vulnerability
Microsoft Outlook Remote Code Execution Vulnerability
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5435.1000Patch KB5002543 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
What is the severity of CVE-2024-21378?
CVE-2024-21378 is rated as a critical vulnerability due to its potential for remote code execution in Microsoft Outlook.
How do I fix CVE-2024-21378?
To fix CVE-2024-21378, users should apply the latest security patches provided by Microsoft for the affected Outlook versions.
Which versions of Outlook are affected by CVE-2024-21378?
CVE-2024-21378 affects multiple versions including Microsoft Outlook 2016, Office 2019, Microsoft 365 Apps for Enterprise, and Office LTSC 2021.
Can CVE-2024-21378 affect my email data security?
Yes, CVE-2024-21378 poses a significant risk as it allows attackers to execute arbitrary code, potentially compromising email data security.
How can I determine if my system is vulnerable to CVE-2024-21378?
You can determine if your system is vulnerable to CVE-2024-21378 by checking if you are using any affected versions of Microsoft Outlook or Office software without the latest security updates.