Information Disclosure Vulnerability in Outlook for Android by Microsoft

CVE-2025-29805

What is CVE-2025-29805?

CVE-2025-29805 is an information disclosure vulnerability found in Outlook for Android, a widely used mobile application developed by Microsoft for accessing emails and calendar services. This vulnerability enables unauthorized actors to potentially expose sensitive information over a network, posing a significant risk to organizations that utilize this software for communication and data management. If exploited, attackers could gain access to confidential data that may lead to further exploits or breaches within an organization.

Technical Details

The vulnerability resides within the mechanisms that manage data security and privacy in the Outlook for Android application. Although specific technical intricacies have not been disclosed, the core issue revolves around insufficient safeguards that allow for information leakage to unauthorized individuals. This could involve the transmission of sensitive user data without proper encryption or protections, making it accessible to potential attackers on the same network.

Potential impact of CVE-2025-29805

1. Exposure of Sensitive Information: Organizations may face significant risks as confidential emails, contacts, and calendar entries could be exposed to unauthorized users, leading to possible industrial espionage or personal privacy violations.

2. Reputational Damage: The disclosure of any sensitive data can severely damage an organization’s reputation, eroding customer trust and leading to significant financial repercussions.

3. Facilitation of Further Attacks: Once attackers access sensitive information, they can use this data to conduct more sophisticated attacks, such as spear phishing or social engineering scams, increasing the overall threat landscape for the organization.

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