SB2026090940 - Information disclosure in Microsoft Teams for Android
Published: September 9, 2026
Security Bulletin ID
SB2026090940
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Origin validation error (CVE-ID: CVE-2026-69559)
CWE-ID: CWE-346 - Origin Validation Error
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.