Origin validation error in Microsoft Teams for Android - CVE-2026-69559
Published: September 9, 2026
Vulnerability identifier: #VU148451
CSH Severity: Medium
CVSS v4: 5.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-69559
CWE-ID: CWE-346
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to origin validation error in Microsoft Teams for Android. A remote user can gain unauthorized access to sensitive information on the system.
Affected software
Microsoft Teams for Android
How to mitigate CVE-2026-69559
Install updates from vendor's website.
Microsoft Teams for Android - update to 1416/1.0.0.2026142702