Remote Code Execution Vulnerability in Microsoft Outlook
CVE-2024-38021

8.8HIGH

Key Information:

Vendor: Microsoft
Status: Microsoft Office 2019; Microsoft 365 Apps For Enterprise; Microsoft Office Ltsc 2021; Microsoft Office 2016
Vendor: CVE Published:; 9 July 2024

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What is CVE-2024-38021?

CVE-2024-38021 is a remote code execution vulnerability affecting Microsoft Outlook, a widely used email client essential for communication and productivity in many organizations. This vulnerability allows attackers to execute arbitrary code on a user's system by leveraging malicious emails or attachments. The potential negative impact on an organization includes unauthorized access to sensitive data, the compromise of internal systems, and the disruption of business operations. Given Outlook's role in enterprise environments, this flaw presents a serious risk that could be exploited by threat actors.

Technical Details

CVE-2024-38021 manifests as a weakness within Microsoft Outlook that can be exploited through crafted email content. When a user interacts with such content, the vulnerability allows for the execution of malicious code, which could be used to take control of the affected system. The vulnerability is classified under remote code execution vulnerabilities, which inherently hold a high level of risk due to the potential for attackers to execute code without user consent. Microsoft has acknowledged the issue and is likely working on a resolution to mitigate the risks associated with this vulnerability.

Impact of the Vulnerability

Unauthorized Access: Attackers can gain unauthorized access to sensitive organizational data, potentially leading to data breaches and leakage of confidential information.
System Compromise: The vulnerability can facilitate the full compromise of the affected systems, allowing adversaries to manipulate system resources, install malware, or create backdoor access for future attacks.
Business Disruption: Exploitation could lead to significant operational disruption within the organization, affecting productivity and the integrity of communications, which may result in reputation damage and financial losses.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2016 32-bit Systems 16.0.0 < 16.0.5456.1000

Microsoft Office 2019 32-bit Systems 19.0.0

News Articles

CybersecurityNews

CVE-2024-38021

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