High Risk Microsoft Teams Android Bug Could Leak Sensitive Data
High Risk Microsoft Teams Android Bug Could Leak Sensitive Data
https://sqmagazine.co.uk/microsoft-teams-android-bug-leak-sensitive-data/
Publish Date: 2026-06-12 05:46:00
Source Domain: sqmagazine.co.uk
A newly disclosed Microsoft Teams for Android vulnerability could allow authenticated attackers to access sensitive information, prompting Microsoft to urge users and organizations to install the latest security update immediately.
Quick Summary – TLDR:
- Microsoft has disclosed a high severity vulnerability in Microsoft Teams for Android, tracked as CVE-2026-42835.
- The flaw carries a CVSS score of 8.1 and could allow attackers to disclose sensitive information remotely.
- Successful exploitation may expose authentication tokens, session data, chat content, and cached information stored in memory.
- Microsoft has released a fix, and organizations are advised to update Teams for Android to the latest version as soon as possible.
What Happened?
Microsoft has revealed details of CVE-2026-42835, a high severity information disclosure vulnerability affecting Microsoft Teams for Android. The issue could allow an authenticated attacker with low privileges to remotely access sensitive information without requiring any user interaction.
The company has already released a security update through the Google Play Store and is encouraging users and enterprise administrators to deploy the patched version immediately.
Microsoft Details a Serious Teams Android Vulnerability
The vulnerability was publicly disclosed on June 9, 2026, and has been classified as an Important security issue by Microsoft. It carries a CVSS v3.1 base score of 8.1, placing it among the more significant flaws addressed in Microsoft’s latest security updates.
According to Microsoft’s advisory, the issue originates from improper neutralization of special elements in output used by a downstream component, a weakness categorized under CWE 74. This type of flaw occurs when user supplied data is not properly sanitized before being processed by another component, potentially leading to unintended information exposure.
The vulnerability affects Microsoft Teams for Android…
