By Guru Baran
Publication Date: 2026-06-12 04:00:00
Microsoft has disclosed a significant security vulnerability in Microsoft Teams for Android that could allow an authenticated attacker to expose sensitive information over a network. The flaw, tracked as CVE-2026-42835, was officially released on June 9, 2026, and has been rated Important in severity.
The vulnerability stems from improper neutralization of special elements in output used by a downstream component, classified under CWE-74 (Injection).
According to Microsoft’s advisory, the weakness enables an authorized attacker to disclose information remotely, without requiring any user interaction.
The flaw carries a CVSS 3.1 base score of 8.1 (temporal score: 7.1), reflecting its considerable risk. The attack vector is Network (AV:N), confirming the vulnerability is remotely exploitable over the internet.
With an attack complexity of Low (AC:L), an attacker does not need advanced knowledge of the target system and can achieve repeatable exploitation success with a…
