CVE-2022-24480 in Outlook
Summary
by MITRE • 12/13/2022
Outlook for Android Elevation of Privilege Vulnerability.
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Analysis
by VulDB Data Team • 05/03/2026
The vulnerability identified as CVE-2022-24480 represents a critical elevation of privilege flaw within Microsoft Outlook for Android applications. This security weakness allows malicious actors to potentially escalate their privileges within the mobile email client, undermining the application's security model and user data protection mechanisms. The vulnerability specifically affects the Android implementation of Microsoft Outlook, which is widely used for corporate email management and personal communication across mobile platforms.
Technical analysis reveals that the flaw stems from insufficient input validation and privilege separation mechanisms within the Outlook Android application's codebase. The vulnerability enables an attacker to manipulate application components or execute malicious code with elevated permissions, effectively bypassing the standard security boundaries that normally protect user data and system resources. This type of vulnerability typically manifests through improper handling of user inputs, memory corruption issues, or flawed access control implementations that allow unauthorized privilege escalation. The flaw may be categorized under CWE-264, which deals with permissions, privileges, and access control issues, or potentially CWE-787, concerning out-of-bounds write operations that could enable privilege escalation.
The operational impact of CVE-2022-24480 extends beyond simple data compromise, as it creates opportunities for persistent access and lateral movement within corporate environments where Outlook for Android is extensively deployed. Organizations relying on mobile email clients for business communications face significant risks including unauthorized access to sensitive corporate emails, potential data exfiltration, and the possibility of using the compromised application as a foothold for broader network infiltration. Attackers could leverage this vulnerability to gain access to calendar entries, contacts, and other personal information stored within the application, potentially leading to identity theft or social engineering attacks. The mobile nature of the platform also increases the attack surface, as users may access corporate networks through the vulnerable application from various locations and devices.
Mitigation strategies for this vulnerability should prioritize immediate patch deployment from Microsoft, as the company would have released security updates addressing the specific privilege escalation mechanism. Organizations should also implement network monitoring to detect anomalous behavior patterns that might indicate exploitation attempts, including unusual data access patterns or unexpected privilege elevation activities. Security teams should conduct thorough vulnerability assessments of all mobile applications, particularly those handling sensitive data, and establish robust mobile device management policies that include automatic update enforcement and application sandboxing. Additionally, implementing network segmentation and access controls can limit the potential damage if exploitation occurs, while regular security awareness training can help users recognize potential social engineering attempts that might accompany exploitation efforts. The vulnerability underscores the importance of maintaining up-to-date mobile security practices and adheres to ATT&CK framework concepts related to privilege escalation and persistence mechanisms.